context: It is improbable that Mary got the apple. It is impossible that John went to the hallway. It is certain that Julius is a lion.
hypothesis: It is certain that either John went to the hallway, or Julius is a lion.
valid_hypothesis: It is certain that either John went to the hallway, or Julius is a lion.
invalid_hypothesis: There is almost no chance that either John went to the hallway, or Julius is a lion.
hypothesis_assertion: Either John went to the hallway, or Julius is a lion.