context: It is impossible that Greg is green. It is probably not the case that Daniel got the football. It is probable that John moved to the office. There is a very good chance that if Greg is green, or John moved to the office, then Bernhard is a swan. There is little chance that if either Daniel got the football, or John moved to the office, then Brian is a rhino. There is a very good chance that if John moved to the office, or Daniel got the football, then Mary put down the apple.
hypothesis: It is highly unlikely that either Brian is a rhino, or John moved to the office.
valid_hypothesis: It is probable that either Brian is a rhino, or John moved to the office.
invalid_hypothesis: It is highly unlikely that either Brian is a rhino, or John moved to the office.
hypothesis_assertion: Either Brian is a rhino, or John moved to the office.