context: It is probably not the case that Greg is yellow. It is highly likely that John dropped the milk. It is certain that Brian is a frog.
hypothesis: It is unlikely that brian is a frog, and John dropped the milk.
valid_hypothesis: It is highly likely that brian is a frog, and John dropped the milk.
invalid_hypothesis: It is unlikely that brian is a frog, and John dropped the milk.
hypothesis_assertion: Brian is a frog, and John dropped the milk.