context: There is little chance that John got the milk. We doubt that Greg is a swan. It is highly unlikely that Lily is yellow.
hypothesis: It is probably not the case that lily is yellow, or Greg is a swan.
valid_hypothesis: It is probably not the case that lily is yellow, or Greg is a swan.
invalid_hypothesis: It is likely that lily is yellow, or Greg is a swan.
hypothesis_assertion: Lily is yellow, or Greg is a swan.