def __str__(self):
    return ('%s %s .' % (str(self.subject), ' ; '.join([('%s %s' % (str(verb), ', '.join([str(o) for o in objects]))) for (verb, objects) in self.verb_objects])))
def __str__(self):
    return ('%s %s .' % (str(self.subject), ' ; '.join([('%s %s' % (str(verb), ', '.join([str(o) for o in objects]))) for (verb, objects) in self.verb_objects])))