context: There is a very good chance that Mary dropped the apple. It is highly unlikely that Lily is a rhino. It is impossible that Brian is a lion.
hypothesis: It is probably the case that mary dropped the apple, and Lily is a rhino.
valid_hypothesis: It is highly unlikely that mary dropped the apple, and Lily is a rhino.
invalid_hypothesis: It is probably the case that mary dropped the apple, and Lily is a rhino.
hypothesis_assertion: Mary dropped the apple, and Lily is a rhino.