context: There is almost no chance that Fred went to the bedroom. It is probable that Greg is a frog. Chances are about even that Mary left the apple.
hypothesis: It is unlikely that either Fred went to the bedroom, or Greg is a frog.
valid_hypothesis: It is probable that either Fred went to the bedroom, or Greg is a frog.
invalid_hypothesis: It is unlikely that either Fred went to the bedroom, or Greg is a frog.
hypothesis_assertion: Either Fred went to the bedroom, or Greg is a frog.