context: It is probably not the case that Sandra left the apple. It is probable that Brian is yellow. There is little chance that Julius is a frog. It is probably not the case that if either Sandra left the apple, or Brian is yellow, then Yann is thirsty. It is unlikely that if Brian is yellow, or Julius is a frog, then John went to the kitchen. It is unlikely that if Brian is yellow, and Julius is a frog, then Lily is a frog.
hypothesis: There is a better than even chance that yann is thirsty, and Sandra left the apple.
valid_hypothesis: There is almost no chance that yann is thirsty, and Sandra left the apple.
invalid_hypothesis: There is a better than even chance that yann is thirsty, and Sandra left the apple.
hypothesis_assertion: Yann is thirsty, and Sandra left the apple.