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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def is_probably_a_voice_vote(self):
        '''Guess whether this vote is a "voice vote".'''
        if '+voice_vote' in self:
            return True
        if '+vote_type' in self:
            if self['+vote_type'] == 'Voice':
                return True
        if 'voice vote' in self['motion'].lower():
            return True
        return False