class_docstr: Transform the question
  
  Example::
  
      origin: Where was Super Bowl 50 held?
      transform: Where did Super Bowl 50 take place?
docstr: :param transform_method: paraphrase method
  :param device: GPU device or CPU
docstr_tok: [":","param","transform_method",":","paraphrase","method",":","param","device",":","GPU","device","or","CPU"]
code: def __init__(self, transform_method="BackTrans", device="cuda:0"):
      r"""
      :param transform_method: paraphrase method
      :param device: GPU device or CPU
      """
      super().__init__()
  
      # Rules for altering sentences
      self.transform_method = transform_method
      if transform_method == "BackTrans":
          self.tranf = BackTrans(device=device)
      else:
          self.tranf = MLMSuggestion(device=device)
  
imports: from ..transformation import Transformation
  from ...transformation.UT import BackTrans, MLMSuggestion
label_desc: Use image node_id 1 to create a new PerturbQuestion object from inherited base classes: Transformation with example: obj = PerturbQuestion(transform_method, device)