context: It is highly unlikely that Fred went to the bedroom. It is impossible that Greg is yellow. There is little chance that Mary put down the apple.
hypothesis: It is almost certain that either Greg is yellow, or Fred went to the bedroom.
valid_hypothesis: It is highly unlikely that either Greg is yellow, or Fred went to the bedroom.
invalid_hypothesis: It is almost certain that either Greg is yellow, or Fred went to the bedroom.
hypothesis_assertion: Either Greg is yellow, or Fred went to the bedroom.