Parameters
		----------
		doc, Spacy Docs

		Returns
		-------
		Counter (unigram, bigram) -> count

def get_feats(self, doc):
		'''
		Parameters
		----------
		doc, Spacy Docs

		Returns
		-------
		Counter (unigram, bigram) -> count
		'''
		ngram_counter = Counter()
		for sent in doc.sents:
			ngrams = self.phrases[str(sent)]
			for subphrases in self.phrases[1:]:
				ngrams = subphrases[str(sent)]
			for ngram in ngrams:
				ngram_counter[ngram] += 1
		return ngram_counter