context: It is probably the case that Jessica is a wolf. There is a very good chance that Mary went to the office. It is impossible that Brian is gray. It is probably the case that if Jessica is a wolf, and Mary went to the office, then Julius is a swan. We doubt that if Jessica is a wolf, and Mary went to the office, then Lily is a lion. There is almost no chance that if either Brian is gray, or Mary went to the office, then Greg is gray.
hypothesis: Chances are about even that either Jessica is a wolf, or Mary went to the office.
valid_hypothesis: Chances are about even that either Jessica is a wolf, or Mary went to the office.
invalid_hypothesis: It is certain that either Jessica is a wolf, or Mary went to the office.
hypothesis_assertion: Either Jessica is a wolf, or Mary went to the office.