context: This man is trying to make his wife laugh by blowing bubbles in the bathtub.
hypothesis: Chances are about even that there is a man imitating a fish by blowing bubbles in the bathtub.
valid_hypothesis: Chances are about even that there is a man imitating a fish by blowing bubbles in the bathtub.
invalid_hypothesis: There is almost no chance that there is a man imitating a fish by blowing bubbles in the bathtub.
hypothesis_assertion: There is a man imitating a fish by blowing bubbles in the bathtub.