Update quac_expanded.py

quac_expanded.py

@@ -130,17 +130,17 @@ class Quac(datasets.GeneratorBasedBuilder):
                 section_title = section.get("section_title", "").strip()
 
                 for dialogue in section["paragraphs"]:
-                    context = dialogue["context"].strip()
+                    context = dialogue["context"].replace("CANNOTANSWER","").strip()
                     dialogue_id = dialogue["id"]
 
                     for turn in dialogue["qas"]:
                         answer = {
-                            "texts": [t["text"].strip() for t in turn["answers"]],
+                            "texts": [t["text"].replace("CANNOTANSWER","unknown").strip() for t in turn["answers"]],
                             "answer_starts": [t["answer_start"] for t in turn["answers"]],
                         }
 
                         orig_answer = {
-                            "text": turn["orig_answer"]["text"],
+                            "text": turn["orig_answer"]["text"].replace("CANNOTANSWER","unknown"),
                             "answer_start": turn["orig_answer"]["answer_start"],
                         }