code: def __init__(self, opt, shared=None):
      opt["datafile"] = _path("cbtest_NE", opt)
      opt["cloze"] = True
      super().__init__(opt, shared)
  
imports: from parlai.core.teachers import FbDeprecatedDialogTeacher, MultiTaskTeacher
  from .build import build
  import copy
  import os
label_desc: Use image node_id 1 to create a new NETeacher object from inherited base classes: FbDeprecatedDialogTeacher with example: obj = NETeacher(opt, shared)