code: def __init__(self, opt, shared=None):
      super().__init__(opt, shared)
      self.id += "_" + self.opt["light_label_type"]
  
imports: from typing import Optional
  from parlai.core.params import ParlaiParser
  from parlai.core.opt import Opt
  from parlai.core.teachers import ParlAIDialogTeacher
  from .build import build, get_fpath
  import copy
  import os
  import random
label_desc: Use image node_id 2 to create a new SimpleMultiTeacher object from inherited base classes: DefaultTeacher with example: obj = SimpleMultiTeacher(opt, shared)