class_docstr: Note, these versions only uses two-turns dialog.
  
  This is more efficient due to movie-based deduplication, compared to the regular
  v2018 dataset.
class_docstr_tok: ["Note",",","these","versions","only","uses","two-turns","dialog",".","This","is","more","efficient","due","to","movie-based","deduplication",",","compared","to","the","regular","v2018","dataset","."]
code: def __init__(self, opt, shared=None):
      super(V2018NoHistoryTask100kTeacher, self).__init__(
          opt, shared, "2018", False
      )
  
imports: from parlai.core.teachers import FbDeprecatedDialogTeacher
  from .build_2009 import build
  from .build_2018 import build
  import copy
  import os
label_desc: Use image node_id 1 to create a new V2018NoHistoryTask100kTeacher object from inherited base classes: Task100kTeacher with example: obj = V2018NoHistoryTask100kTeacher(opt, shared)