context: A man plays the french horn as his pianist plays the supporting melody on stage.
hypothesis: It is impossible that a man and his pianist are performing their final tribute to Zelda.
valid_hypothesis: It is impossible that a man and his pianist are performing their final tribute to Zelda.
invalid_hypothesis: It is probable that a man and his pianist are performing their final tribute to Zelda.
hypothesis_assertion: A man and his pianist are performing their final tribute to Zelda.