class_docstr: Teacher for Image Grounded Conversations (IGC) Task.
  
  See https://arxiv.org/abs/1701.08251 for more details
class_docstr_tok: ["Teacher","for","Image","Grounded","Conversations","(","IGC",")","Task",".","See","https",":","\/\/arxiv.org\/abs\/1701.08251","for","more","details"]
docstr: Include arg.
  
  for multi-reference labels.
code: def add_cmdline_args(
      cls, parser: ParlaiParser, partial_opt: Optional[Opt] = None
  ) -> ParlaiParser:
      """
      Include arg.
  
      for multi-reference labels.
      """
      super().add_cmdline_args(parser, partial_opt=partial_opt)
      agent = parser.add_argument_group("IGC Arguments")
      agent.add_argument(
          "--igc-multi-ref",
          type="bool",
          default=False,
          help="specify to evaluate on multi-reference labels",
      )
      return parser
  
imports: from typing import Optional
  from parlai.core.params import ParlaiParser
  import csv
  import os
  from abc import ABC, abstractmethod
  from PIL import Image
  from typing import List, Dict, Any
  from parlai.core.build_data import download_multiprocess
  from parlai.core.params import Opt
  from parlai.core.teachers import AbstractImageTeacher
  from parlai.utils.io import PathManager
  import parlai.utils.typing
label_desc: Use image node_id 2 for calling the IGCTeacher obj's underlying member method code with example usage: obj.add_cmdline_args(cls, parser, partial_opt) and returns: parser