context: It is almost certain that John is in the bathroom. It is unlikely that Greg is a frog. There is a better than even chance that Daniel got the football.
hypothesis: We believe that either Greg is a frog, or John is in the bathroom.
valid_hypothesis: We believe that either Greg is a frog, or John is in the bathroom.
invalid_hypothesis: It is probably not the case that either Greg is a frog, or John is in the bathroom.
hypothesis_assertion: Either Greg is a frog, or John is in the bathroom.