context: It is likely that Sandra took the apple. It is certain that Brian is a frog. It is probably not the case that Julius is gray. It is highly likely that if either Sandra took the apple, or Julius is gray, then Mary is in the cinema. There is a very good chance that if Brian is a frog, and Sandra took the apple, then Jeff went to the garden. It is probably the case that if Brian is a frog, and Sandra took the apple, then Greg is white.
hypothesis: It is almost certain that mary is in the cinema, and Sandra took the apple.
valid_hypothesis: Chances are about even that mary is in the cinema, and Sandra took the apple.
invalid_hypothesis: It is almost certain that mary is in the cinema, and Sandra took the apple.
hypothesis_assertion: Mary is in the cinema, and Sandra took the apple.