@fluent<EOL><INDENT>def logical_operator(self, operation, word):<DEDENT>
word = self._parse_filter_word(word)<EOL>self._add_filter(<EOL>*self._prepare_sentence(self._attribute, operation, word,<EOL>self._negation))<EOL>return self<EOL>
Apply a logical operator

        :param str operation: how to combine with a new one
        :param word: other parameter for the operation
         (a = b) would be like a.logical_operator('eq', 'b')
        :rtype: Query