context: We believe that Mary is in the cinema. It is improbable that Sumit is bored. There is almost no chance that Brian is a swan. It is likely that if either Sumit is bored, or Mary is in the cinema, then John dropped the apple. Chances are about even that if either Mary is in the cinema, or Brian is a swan, then Sandra took the milk. Chances are about even that if either Sumit is bored, or Mary is in the cinema, then Daniel grabbed the apple.
hypothesis: Chances are about even that either Sandra took the milk, or Daniel grabbed the apple.
valid_hypothesis: Chances are about even that either Sandra took the milk, or Daniel grabbed the apple.
invalid_hypothesis: It is impossible that either Sandra took the milk, or Daniel grabbed the apple.
hypothesis_assertion: Either Sandra took the milk, or Daniel grabbed the apple.