context: It is improbable that Daniel grabbed the apple. It is unlikely that Mary went to the bedroom. We believe that Sandra took the milk. It is probably the case that if Daniel grabbed the apple, and Sandra took the milk, then Antoine is thirsty. It is highly likely that if either Mary went to the bedroom, or Sandra took the milk, then Greg is a swan. It is certain that if Daniel grabbed the apple, or Mary went to the bedroom, then Brian is a lion.
hypothesis: It is highly unlikely that daniel grabbed the apple, and Greg is a swan.
valid_hypothesis: It is highly unlikely that daniel grabbed the apple, and Greg is a swan.
invalid_hypothesis: It is almost certain that daniel grabbed the apple, and Greg is a swan.
hypothesis_assertion: Daniel grabbed the apple, and Greg is a swan.