context: It is almost certain that Brian is a lion. It is certain that Lily is white. There is a very good chance that Greg is yellow. There is little chance that if Lily is white, and Brian is a lion, then John went to the hallway. It is unlikely that if Greg is yellow, and Brian is a lion, then Daniel dropped the apple. We doubt that if Greg is yellow, and Brian is a lion, then Mary moved to the garden.
hypothesis: Chances are slight that brian is a lion, or Daniel dropped the apple.
valid_hypothesis: It is almost certain that brian is a lion, or Daniel dropped the apple.
invalid_hypothesis: Chances are slight that brian is a lion, or Daniel dropped the apple.
hypothesis_assertion: Brian is a lion, or Daniel dropped the apple.