context: Chances are about even that Daniel left the football. It is improbable that Brian is gray. It is probably the case that Greg is a rhino. Chances are slight that if Greg is a rhino, or Daniel left the football, then Julius is a lion. It is probable that if either Brian is gray, or Daniel left the football, then John is in the bedroom. It is almost certain that if Brian is gray, or Greg is a rhino, then Mary went to the kitchen.
hypothesis: Chances are slight that mary went to the kitchen, or Julius is a lion.
valid_hypothesis: It is probable that mary went to the kitchen, or Julius is a lion.
invalid_hypothesis: Chances are slight that mary went to the kitchen, or Julius is a lion.
hypothesis_assertion: Mary went to the kitchen, or Julius is a lion.