context: It is unlikely that Sandra is in the hallway. It is certain that Julius is a lion. There is a better than even chance that Fred discarded the milk.
hypothesis: There is a very good chance that either Sandra is in the hallway, or Julius is a lion.
valid_hypothesis: There is a very good chance that either Sandra is in the hallway, or Julius is a lion.
invalid_hypothesis: It is probably not the case that either Sandra is in the hallway, or Julius is a lion.
hypothesis_assertion: Either Sandra is in the hallway, or Julius is a lion.