context: We doubt that Greg is a swan. We doubt that Brian is a lion. There is little chance that Lily is a frog.
hypothesis: There is almost no chance that lily is a frog, and Brian is a lion.
valid_hypothesis: There is almost no chance that lily is a frog, and Brian is a lion.
invalid_hypothesis: It is certain that lily is a frog, and Brian is a lion.
hypothesis_assertion: Lily is a frog, and Brian is a lion.