context: It is improbable that Daniel left the football. We doubt that Brian is yellow. It is highly likely that Greg is a lion.
hypothesis: There is a very good chance that either Greg is a lion, or Daniel left the football.
valid_hypothesis: There is a very good chance that either Greg is a lion, or Daniel left the football.
invalid_hypothesis: We doubt that either Greg is a lion, or Daniel left the football.
hypothesis_assertion: Either Greg is a lion, or Daniel left the football.