context: Chances are slight that Julius is a frog. It is highly likely that Greg is a frog. It is certain that Brian is a lion. It is probably not the case that if Greg is a frog, and Julius is a frog, then Jessica is a cat. There is a very good chance that if Brian is a lion, or Julius is a frog, then Mary went to the garden. We believe that if Greg is a frog, or Julius is a frog, then Daniel got the football.
hypothesis: There is little chance that mary went to the garden, or Brian is a lion.
valid_hypothesis: It is certain that mary went to the garden, or Brian is a lion.
invalid_hypothesis: There is little chance that mary went to the garden, or Brian is a lion.
hypothesis_assertion: Mary went to the garden, or Brian is a lion.