code: def __ne__(self, other):
      return not self == other
  
imports: import os
  from itertools import chain
  import nltk
  from nltk.internals import Counter
  from nltk.sem import drt, linearlogic
  from nltk.sem.logic import AbstractVariableExpression, Expression, LambdaExpression, Variable, VariableExpression
  from nltk.tag import BigramTagger, RegexpTagger, TrigramTagger, UnigramTagger
label_desc: Use image node_id 9 for calling the GlueFormula obj's underlying member method code with example usage: obj.__ne__(other) and returns: unknown