class_docstr: Basic dialogue teacher where label is bot.
class_docstr_tok: ["Basic","dialogue","teacher","where","label","is","bot","."]
code: def __init__(self, opt, shared=None):
      self.id = "BB3DataBotTeacher"
      super().__init__(opt, shared=shared)
  
imports: import os
  import json
  from copy import deepcopy
  from parlai.core.message import Message
  from parlai.utils.data import DatatypeHelper
  from parlai.core.teachers import ChunkTeacher
  from .build import build
label_desc: Use image node_id 1 to create a new BB3DataBotTeacher object from inherited base classes: BaseBB3DataTeacher with example: obj = BB3DataBotTeacher(opt, shared)