class_docstr: Do NOT use this directly, use its children.
class_docstr_tok: ["Do","NOT","use","this","directly",",","use","its","children","."]
code: def _examples(self, convo):
      return self._examples_from_convo(
          convo, LABEL_PER_TEACHER[self._teacher_type()]
      )
  
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 11 for calling the BaseBB3DataTeacher obj's underlying member method code with example usage: obj._examples(convo) and returns: self