def process_query_match_phrase_analyzer(self, key, val, action):
        return self._with_analyzer(key, val, 'match_phrase')
Apply ``self.classify()`` to each element of ``featuresets``.  I.e.:
dataset/ETHPy150Open mozilla/kitsune/kitsune/search/es_utils.py/AnalyzerMixin.process_query_match_phrase_analyzer--crossover with--dataset/ETHPy150Open nltk/nltk/nltk/classify/api.py/MultiClassifierI.classify_many