kenlm 434766
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dev-0/out.tsv
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dev-0/out.tsv
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{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": 1,
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"id": "738b7e97",
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"metadata": {},
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"outputs": [],
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"source": [
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"from collections import defaultdict, Counter\n",
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"from nltk import trigrams, word_tokenize\n",
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"from english_words import english_words_alpha_set\n",
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"import csv\n",
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"import regex as re\n",
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"import pandas as pd\n",
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"import kenlm\n",
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"from math import log10\n",
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"\n",
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"def preprocess(row):\n",
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" row = re.sub(r'\\p{P}', '', row.lower().replace('-\\\\n', '').replace('\\\\n', ' '))\n",
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" return row\n",
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"\n",
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"def kenlm_model():\n",
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" with open(\"train_file.txt\", \"w+\") as f:\n",
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" for text in X_train:\n",
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" f.write(str(text) + \"\\n\")\n",
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"\n",
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" #%%\n",
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" KENLM_BUILD_PATH='/home/przemek/kenlm/build'\n",
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" !$KENLM_BUILD_PATH/bin/lmplz -o 4 < train_file.txt > model.arpa\n",
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" !$KENLM_BUILD_PATH/bin/build_binary model.arpa model.binary\n",
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" !rm train_file.txt\n",
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" \n",
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" model = kenlm.Model(\"model.binary\")\n",
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" return model\n",
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"\n",
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"def predict_word(w1, w3):\n",
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" best_scores = []\n",
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" for word in english_words_alpha_set:\n",
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" text = ' '.join([w1, word, w3])\n",
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" text_score = model.score(text, bos=False, eos=False)\n",
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" if len(best_scores) < 12:\n",
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" best_scores.append((word, text_score))\n",
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" else:\n",
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" is_better = False\n",
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" worst_score = None\n",
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" for score in best_scores:\n",
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" if not worst_score:\n",
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" worst_score = score\n",
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" else:\n",
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" if worst_score[1] > score[1]:\n",
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" worst_score = score\n",
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" if worst_score[1] < text_score:\n",
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" best_scores.remove(worst_score)\n",
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" best_scores.append((word, text_score))\n",
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" probs = sorted(best_scores, key=lambda tup: tup[1], reverse=True)\n",
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" pred_str = ''\n",
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" for word, prob in probs:\n",
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" pred_str += f'{word}:{prob} '\n",
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" pred_str += f':{log10(0.99)}'\n",
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" return pred_str\n",
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" \n",
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"def word_gap_prediction(file, model):\n",
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" X_test = pd.read_csv(f'{file}/in.tsv.xz', sep='\\t', header=None, quoting=csv.QUOTE_NONE, error_bad_lines=False)\n",
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" with open(f'{file}/out.tsv', 'w', encoding='utf-8') as output_file:\n",
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" for _, row in X_test.iterrows():\n",
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" before, after = word_tokenize(preprocess(str(row[6]))), word_tokenize(preprocess(str(row[7])))\n",
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" if len(before) < 2 or len(after) < 2:\n",
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" output = 'the:0.04 be:0.04 to:0.04 and:0.02 not:0.02 or:0.02 a:0.02 :0.8'\n",
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" else:\n",
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" output = predict_word(before[-1], after[0])\n",
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" output_file.write(output + '\\n')"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"id": "4bb5fbab",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"=== 1/5 Counting and sorting n-grams ===\n",
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"Reading /home/przemek/challenging-america-word-gap-prediction/train_file.txt\n",
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"----5---10---15---20---25---30---35---40---45---50---55---60---65---70---75---80---85---90---95--100\n",
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"****************************************************************************************************\n",
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"Unigram tokens 2787545 types 548500\n",
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"=== 2/5 Calculating and sorting adjusted counts ===\n",
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"Chain sizes: 1:6582000 2:1755888000 3:3292290048 4:5267664384\n",
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"Statistics:\n",
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"1 548500 D1=0.85065 D2=1.01013 D3+=1.14959\n",
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"2 1743634 D1=0.900957 D2=1.09827 D3+=1.20014\n",
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"3 2511917 D1=0.957313 D2=1.22283 D3+=1.33724\n",
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"4 2719775 D1=0.982576 D2=1.4205 D3+=1.65074\n",
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"Memory estimate for binary LM:\n",
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"type MB\n",
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"probing 157 assuming -p 1.5\n",
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"probing 184 assuming -r models -p 1.5\n",
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"trie 82 without quantization\n",
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"trie 51 assuming -q 8 -b 8 quantization \n",
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"trie 74 assuming -a 22 array pointer compression\n",
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"trie 43 assuming -a 22 -q 8 -b 8 array pointer compression and quantization\n",
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"=== 3/5 Calculating and sorting initial probabilities ===\n",
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"Chain sizes: 1:6582000 2:27898144 3:50238340 4:65274600\n",
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"----5---10---15---20---25---30---35---40---45---50---55---60---65---70---75---80---85---90---95--100\n",
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"####################################################################################################\n",
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"=== 4/5 Calculating and writing order-interpolated probabilities ===\n",
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"Chain sizes: 1:6582000 2:27898144 3:50238340 4:65274600\n",
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"----5---10---15---20---25---30---35---40---45---50---55---60---65---70---75---80---85---90---95--100\n",
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"####################################################################################################\n",
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"=== 5/5 Writing ARPA model ===\n",
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"----5---10---15---20---25---30---35---40---45---50---55---60---65---70---75---80---85---90---95--100\n",
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"****************************************************************************************************\n",
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"Name:lmplz\tVmPeak:10263812 kB\tVmRSS:54588 kB\tRSSMax:2112048 kB\tuser:4.74374\tsys:1.56732\tCPU:6.31112\treal:4.63458\n",
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"Reading model.arpa\n",
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"----5---10---15---20---25---30---35---40---45---50---55---60---65---70---75---80---85---90---95--100\n",
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"****************************************************************************************************\n",
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"SUCCESS\n"
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]
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}
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],
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"source": [
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"in_file = 'train/in.tsv.xz'\n",
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"out_file = 'train/expected.tsv'\n",
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"\n",
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"X_train = pd.read_csv(in_file, sep='\\t', header=None, quoting=csv.QUOTE_NONE, nrows=10000, error_bad_lines=False)\n",
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"Y_train = pd.read_csv(out_file, sep='\\t', header=None, quoting=csv.QUOTE_NONE, nrows=10000, error_bad_lines=False)\n",
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"\n",
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"X_train = X_train[[6, 7]]\n",
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"X_train = pd.concat([X_train, Y_train], axis=1)\n",
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"X_train = X_train[6] + X_train[0] + X_train[7]\n",
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"\n",
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"model = kenlm_model()"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 3,
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"id": "93921d97",
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"metadata": {},
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"outputs": [],
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"source": [
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"word_gap_prediction(\"dev-0/\", model)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "cdfad0ab",
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"metadata": {},
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"outputs": [],
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"source": [
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"word_gap_prediction(\"test-A/\", model)"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.6.9"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 5
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}
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test-A/out.tsv
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test-A/out.tsv
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