code: def parse_ans(a):
      a = a.lstrip("(list")
      ans = ""
      for a in re.split(r"\(description", a):
          a = a.strip(STRIP_CHARS)
          ans = ans + "|" + a
      return ans.lstrip("|")
  
file_path: ParlAI/parlai/tasks/webquestions/build.py
imports: import parlai.core.build_data
  import json
  import os
  import re
  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_ans(a) and returns: ans