context: It is likely that Sandra left the football. Chances are slight that Mary went to the bedroom. We believe that Greg is a frog.
hypothesis: There is little chance that mary went to the bedroom, or Greg is a frog.
valid_hypothesis: We believe that mary went to the bedroom, or Greg is a frog.
invalid_hypothesis: There is little chance that mary went to the bedroom, or Greg is a frog.
hypothesis_assertion: Mary went to the bedroom, or Greg is a frog.