context: It is probably the case that Brian is green. It is probable that Mary got the apple. It is likely that Fred went to the hallway. It is probably not the case that if Mary got the apple, and Brian is green, then John left the milk. There is almost no chance that if Brian is green, or Mary got the apple, then Lily is a frog. It is highly likely that if Fred went to the hallway, or Brian is green, then Greg is a lion.
hypothesis: There is almost no chance that lily is a frog, and Fred went to the hallway.
valid_hypothesis: There is almost no chance that lily is a frog, and Fred went to the hallway.
invalid_hypothesis: It is probable that lily is a frog, and Fred went to the hallway.
hypothesis_assertion: Lily is a frog, and Fred went to the hallway.