simple solution

.gitignore

@@ -6,3 +6,6 @@
 *.o
 .DS_Store
 .token
+
+dev-0/in.tsv
+test-A/in.tsv

simple.py

@@ -0,0 +1,24 @@
+import random
+
+most_popular_words = [
+    "be:0.5 and:0.2 of:0.1 :0.2",
+    "a:0.5 in:0.2 to:0.1 :0.2",
+    "have:0.5 too:0.2 it:0.1 :0.2",
+    "I:0.5 that:0.2 for:0.1 :0.2",
+    "you:0.5 he:0.2 with:0.1 :0.2",
+    "on:0.5 do:0.2 say:0.1 :0.2",
+    "this:0.5 they:0.2 at:0.1 :0.2",
+    "but:0.5 we:0.2 his:0.1 :0.2"
+]
+
+folder = "dev-0"
+
+with open(folder + "/in.tsv", "r", encoding='utf-8') as in_file:
+    lines = in_file.readlines()
+    with open(folder + "/out.tsv", "w", encoding='utf-8') as out_file:
+        for line in lines:
+            out_file.write(random.choice(most_popular_words) + "\n")
+
+
+# słowo:prawdopodobieństwo słowo:prawdopodobieństwo :prawdopodobieństwo-reszty słów
+# "the:0.2 at:0.3 :0.1"