@property
def label(self):
    return {'verb': (self._series['verb_class'] if ('verb_class' in self._series) else (- 1)), 'noun': (self._series['noun_class'] if ('noun_class' in self._series) else (- 1))}
@property
def label(self):
    return {'verb': (self._series['verb_class'] if ('verb_class' in self._series) else (- 1)), 'noun': (self._series['noun_class'] if ('noun_class' in self._series) else (- 1))}