context: It is improbable that Daniel took the football. It is likely that Greg is a frog. It is impossible that Julius is yellow. There is a better than even chance that if Julius is yellow, and Daniel took the football, then Gertrude is a wolf. We believe that if either Daniel took the football, or Julius is yellow, then Brian is a rhino. It is improbable that if Julius is yellow, and Daniel took the football, then Bill is in the kitchen.
hypothesis: It is probably the case that bill is in the kitchen, or Brian is a rhino.
valid_hypothesis: There is little chance that bill is in the kitchen, or Brian is a rhino.
invalid_hypothesis: It is probably the case that bill is in the kitchen, or Brian is a rhino.
hypothesis_assertion: Bill is in the kitchen, or Brian is a rhino.