code: def __init__(self, opt, shared=None):
      self.prefix = "verified-"
      self.suffix = "dev"
      if opt["datatype"] != "valid":
          print("WARNING: Verified teacher only provides dev data")
  
      opt["datafile"], self.evidence_dir = _path(opt)
      self.id = "triviaqa"
      super().__init__(opt, shared)
  
imports: from parlai.core.teachers import DialogTeacher, MultiTaskTeacher
  from parlai.utils.io import PathManager
  from .build import build
  import copy
  import json
  import os
label_desc: Use image node_id 1 to create a new VerifiedWikipediaTeacher object from inherited base classes: WikipediaTeacher with example: obj = VerifiedWikipediaTeacher(opt, shared)