Add gpt2 solution

gpt_predict.py

@@ -0,0 +1,18 @@
+from transformers import pipeline
+import lzma
+
+generator = pipeline("text-generation", model="gpt2")
+
+with open("test-A/in.tsv", "r") as input_file, open(
+    "test-A/out.tsv", "w"
+) as output_file:
+    for line in input_file:
+        line = line.rstrip()
+        line = line.replace("\\n", " ")
+
+        prompt = line.split("\t")[6]
+
+        result = generator(prompt, max_new_tokens=1, num_return_sequences=1)[0][
+            "generated_text"
+        ]
+        output_file.write(f"{result.split()[-1]}:1\n")