code: def setup_args():
      parser = ParlaiParser(False, False)
      parser.add_parlai_data_path()
      finalize = parser.add_argument_group(
          "Gather into train, valid and tests"
      )
      finalize.add_argument(
          "-ns",
          "--num_selected",
          default=15,
          type=int,
          metavar="N",
          help="number of selected passages",
      )
      finalize.add_argument(
          "-nc",
          "--num_context",
          default=1,
          type=int,
          metavar="N",
          help="number of sentences per passage",
      )
      finalize.add_argument(
          "-sr_l",
          "--subreddit_list",
          default='["explainlikeimfive"]',
          type=str,
          help="subreddit name",
      )
      return parser.parse_args()
  
imports: import json
  from glob import glob
  from os.path import join
  from parlai.core.params import ParlaiParser
label_desc: Use image node_id 1 for calling a global function with example usage: setup_args() and returns: parser