context: It is almost certain that Brian is a rhino. Chances are about even that Lily is yellow. It is probably the case that Mary is in the garden. It is highly unlikely that if Mary is in the garden, and Lily is yellow, then Daniel grabbed the milk. It is highly likely that if either Lily is yellow, or Brian is a rhino, then Sandra left the football. Chances are slight that if Brian is a rhino, or Mary is in the garden, then John took the apple.
hypothesis: It is impossible that john took the apple, and Daniel grabbed the milk.
valid_hypothesis: It is impossible that john took the apple, and Daniel grabbed the milk.
invalid_hypothesis: It is probable that john took the apple, and Daniel grabbed the milk.
hypothesis_assertion: John took the apple, and Daniel grabbed the milk.