context: It is highly likely that Brian is a rhino. There is almost no chance that Greg is gray. It is probable that John left the milk.
hypothesis: It is probable that brian is a rhino, and Greg is gray.
valid_hypothesis: There is almost no chance that brian is a rhino, and Greg is gray.
invalid_hypothesis: It is probable that brian is a rhino, and Greg is gray.
hypothesis_assertion: Brian is a rhino, and Greg is gray.