code: def get_feats(self, doc):
  		'''
  		Parameters
  		----------
  		doc, Spacy Docs
  
  		Returns
  		-------
  		Counter (unigram, bigram) -> count
  		'''
  		ngram_counter = Counter()
  		for sent in doc.sents:
  			unigrams = self._get_unigram_feats(sent)
  			bigrams = self._get_bigram_feats(unigrams)
  			ngram_counter += Counter(chain(unigrams, bigrams))
  		return ngram_countef get_feats(self, doc):
  		'''
  		Parameters
  		----------
  		doc, Spacy Docs
  
  		Returns
  		-------
  		Counter (unigram, bigram) -> count
  		'''
  		ngram_counter = Counter()
  		for sent in doc.sents:
  			unigrams = self._get_unigram_feats(sent)
  			bigrams = self._get_bigram_feats(unigrams)
  			ngram_counter += Counter(chain(unigrams, bigrams))
  		return ngram_counter
docs: Parameters
  		----------
  		doc, Spacy Docs
  
  		Returns
  		-------
  		Counter (unigram, bigram) -> count