context: It is likely that Mary went to the bedroom. Chances are slight that Lily is a rhino. It is almost certain that Greg is yellow.
hypothesis: It is probably not the case that either Greg is yellow, or Mary went to the bedroom.
valid_hypothesis: It is probably not the case that either Greg is yellow, or Mary went to the bedroom.
invalid_hypothesis: It is probable that either Greg is yellow, or Mary went to the bedroom.
hypothesis_assertion: Either Greg is yellow, or Mary went to the bedroom.