code: def rte_featurize(rte_pairs):
      return [(rte_features(pair), pair.value) for pair in rte_pairs]
  
file_path: nltk/nltk/classify/rte_classify.py
imports: from nltk.classify.maxent import MaxentClassifier
  from nltk.classify.util import accuracy
  from nltk.tokenize import RegexpTokenizer
label_desc: Use image node_id 2 for calling a global function with example usage: rte_featurize(rte_pairs) and returns: unknown