context: There is little chance that Brian is gray. Chances are about even that Mary went to the bedroom. It is improbable that Julius is a frog.
hypothesis: There is a better than even chance that mary went to the bedroom, or Julius is a frog.
valid_hypothesis: There is a better than even chance that mary went to the bedroom, or Julius is a frog.
invalid_hypothesis: Chances are slight that mary went to the bedroom, or Julius is a frog.
hypothesis_assertion: Mary went to the bedroom, or Julius is a frog.