code: def category(self, entity):
      if entity in self._feature_dict:
          return self._feature_dict[entity][1]
      else:
          return []
  
imports: from sematch.utility import FileIO
  from nltk.stem import WordNetLemmatizer
  from nltk.corpus import wordnet
  import nltk
  from collections import Counter
  import itertools
  import string
  import re
label_desc: Use image node_id 3 for calling the EntityFeature obj's underlying member method code with example usage: obj.category(entity) and returns: self, list