context: We believe that John put down the apple. It is probably not the case that Sandra got the milk. It is likely that Julius is a frog. It is almost certain that if John put down the apple, or Julius is a frog, then Greg is a swan. It is unlikely that if John put down the apple, or Sandra got the milk, then Lily is green. It is highly likely that if John put down the apple, and Julius is a frog, then Mary went to the hallway.
hypothesis: There is little chance that john put down the apple, or Greg is a swan.
valid_hypothesis: It is highly likely that john put down the apple, or Greg is a swan.
invalid_hypothesis: There is little chance that john put down the apple, or Greg is a swan.
hypothesis_assertion: John put down the apple, or Greg is a swan.