context: It is highly likely that Julius is white. There is a better than even chance that Brian is a swan. Chances are slight that Sandra left the apple. It is almost certain that if either Julius is white, or Sandra left the apple, then Lily is a frog. There is a very good chance that if Julius is white, and Sandra left the apple, then Fred went to the hallway. It is likely that if Julius is white, and Sandra left the apple, then Julie is in the kitchen.
hypothesis: There is a very good chance that either Julius is white, or Sandra left the apple.
valid_hypothesis: There is a very good chance that either Julius is white, or Sandra left the apple.
invalid_hypothesis: We doubt that either Julius is white, or Sandra left the apple.
hypothesis_assertion: Either Julius is white, or Sandra left the apple.