code: def add_cmdline_args(
      cls, parser: ParlaiParser, partial_opt: Optional[Opt] = None
  ) -> ParlaiParser:
      parser = super().add_cmdline_args(parser, partial_opt)
      parser.set_defaults(
          task_prompt="Solve the following math problem. Show your work.",
          choices_prefix=["", "", "", "", ""],
      )
      return parser
  
imports: import random
  from typing import Optional
  from parlai.tasks.reasoning.agents import MWPStepsReasoningTeacher
  from parlai.tasks.reasoning.base import AbstractQuestionAnswer, AbstractReason, AbstractReasoningTeacher
  from parlai.tasks.reasoning.question_answer import MultipleChoiceQuestionAnswer
  from parlai.tasks.reasoning.reason_types.step_by_step import StepByStepReason
  from parlai.core.opt import Opt
  from parlai.core.params import ParlaiParser
  from parlai.core.teachers import DialogTeacher
  from parlai.utils.io import PathManager
  from parlai.tasks.aqua.build import build
  import os
  import copy
  import json
label_desc: Use image node_id 1 for calling the AQuAReasoningTeacher obj's underlying member method code with example usage: obj.add_cmdline_args(cls, parser, partial_opt) and returns: parser