code: def _parse_answers(q_a):
      starts = []
      labels = []
      for each in q_a["answers"]:
          starts.append(str(each["answer_start"]))
          labels.append(each["text"].replace("|", " __PIPE__ "))
      return "|".join(starts), "|".join(labels)
  
file_path: ParlAI/parlai/tasks/quac/build.py
imports: import parlai.core.build_data
  import os
  import json
  from parlai.core.build_data import DownloadableFile
  from parlai.utils.io import PathManager
label_desc: Use image node_id 1 for calling a global function with example usage: _parse_answers(q_a) and returns: str,  str