context: It is likely that Greg is gray. It is highly unlikely that John is in the office. It is probably not the case that Julius is a lion.
hypothesis: It is improbable that either Greg is gray, or Julius is a lion.
valid_hypothesis: There is a better than even chance that either Greg is gray, or Julius is a lion.
invalid_hypothesis: It is improbable that either Greg is gray, or Julius is a lion.
hypothesis_assertion: Either Greg is gray, or Julius is a lion.