context: It is probable that Yann is bored. It is probable that Brian is a lion. It is probably not the case that Bernhard is a rhino.
hypothesis: Chances are about even that either Yann is bored, or Brian is a lion.
valid_hypothesis: Chances are about even that either Yann is bored, or Brian is a lion.
invalid_hypothesis: There is almost no chance that either Yann is bored, or Brian is a lion.
hypothesis_assertion: Either Yann is bored, or Brian is a lion.