context: It is probably not the case that Brian is a swan. There is a very good chance that Lily is a frog. It is highly unlikely that Sandra grabbed the apple.
hypothesis: We believe that sandra grabbed the apple, or Brian is a swan.
valid_hypothesis: It is probably not the case that sandra grabbed the apple, or Brian is a swan.
invalid_hypothesis: We believe that sandra grabbed the apple, or Brian is a swan.
hypothesis_assertion: Sandra grabbed the apple, or Brian is a swan.