code: def _get_neutral_categories(self):
      return [
          c
          for c in self.term_doc_mat.get_categories()
          if c not in self.relevant_categories
      ]
  
imports: import pandas
  import numpy
  from scattertext.termranking import AbsoluteFrequencyRanker
  from scattertext.termsignificance.LogOddsRatioInformativeDirichletPiror import LogOddsRatioInformativeDirichletPrior
label_desc: Use image node_id 10 for calling the PriorFactory obj's underlying member method code with example usage: obj._get_neutral_categories() and returns: unknown