'Use StanfordParser to parse multiple sentences. Takes multiple sentences as a
list of strings.
Each sentence will be automatically tokenized and tagged by the Stanford Parser.
:param sentences: Input sentences to parse
:type sentences: list(str)
:rtype: iter(iter(Tree))'

def raw_parse_sents(self, sentences, verbose=False):

    cmd = [self._MAIN_CLASS, u'-model', self.model_path, u'-sentences', u'newline', u'-outputFormat', self._OUTPUT_FORMAT]
    return self._parse_trees_output(self._execute(cmd, u'\n'.join(sentences), verbose))
