def pos_tag_sents(sentences, tagset=None, lang='eng'):
 tagger = _get_tagger(lang)
 return [_pos_tag(sent, tagset, tagger) for sent in sentences]

def pos_tag_sents ( sentences , tagset = None , lang = 'eng' ) : tagger = _get_tagger ( lang ) return [ _pos_tag ( sent , tagset , tagger ) for sent in sentences ]
use nltks currently recommended part of speech tagger to tag the given list of sentences .