code: def add_cmdline_args(
      cls, parser: ParlaiParser, partial_opt: Optional[Opt] = None
  ) -> ParlaiParser:
      WoiDialogueTeacher.add_cmdline_args(parser, partial_opt)
      WowDialogueTeacher.add_cmdline_args(parser, partial_opt)
      MsMarcoDialogueTeacher.add_cmdline_args(parser, partial_opt)
      Convai2DialogueTeacher.add_cmdline_args(parser, partial_opt)
      EDDialogueTeacher.add_cmdline_args(parser, partial_opt)
      BSTDialogueTeacher.add_cmdline_args(parser, partial_opt)
      MSCDialogueTeacher.add_cmdline_args(parser, partial_opt)
      MSCDialogueOverlapTeacher.add_cmdline_args(parser, partial_opt)
      return parser
  
imports: from typing import Optional
  from parlai.core.opt import Opt
  from parlai.core.params import ParlaiParser
  from parlai.core.teachers import MultiTaskTeacher
  import parlai.tasks.convai2.agents
  import parlai.tasks.blended_skill_talk.agents
  import parlai.tasks.empathetic_dialogues.agents
  import parlai.tasks.wizard_of_internet.agents
  import parlai.tasks.wizard_of_wikipedia.agents
  import parlai.tasks.msc.agents
  import parlai.tasks.ms_marco.agents
  import parlai.utils.logging
  import projects.seeker.tasks.mutators
label_desc: Use image node_id 1 for calling the DialogueTeacher obj's underlying member method code with example usage: obj.add_cmdline_args(cls, parser, partial_opt) and returns: parser