class_docstr: Reverses the words of each turn.
  
  Only the text (prompt) is modified, not the labels. Utterances separated by newlines
  will not be shuffled across boundaries. You may wish to combine it with the flatten
  mutator to reverse both labels and texts.
code: def __init__(self, opt: Opt):
      super().__init__(opt)
      self.rng = random.Random(42)
  
file_path: ParlAI/parlai/mutators/word_reverse.py
imports: import random
  from parlai.core.opt import Opt
  from parlai.core.message import Message
  from parlai.core.mutators import register_mutator, MessageMutator
label_desc: Use image node_id 1 to create a new WordReverseMutator object from inherited base classes: MessageMutator with example: obj = WordReverseMutator(opt)