context: It is probably not the case that Daniel left the football. We doubt that Greg is gray. We doubt that Bill went to the hallway. It is probably not the case that if Bill went to the hallway, and Daniel left the football, then Mary got the milk. It is impossible that if Bill went to the hallway, or Daniel left the football, then Lily is green. It is highly likely that if Daniel left the football, and Bill went to the hallway, then Julius is a lion.
hypothesis: It is probably the case that either Greg is gray, or Mary got the milk.
valid_hypothesis: It is unlikely that either Greg is gray, or Mary got the milk.
invalid_hypothesis: It is probably the case that either Greg is gray, or Mary got the milk.
hypothesis_assertion: Either Greg is gray, or Mary got the milk.