context: We doubt that Antoine is hungry. It is certain that Mary moved to the office. There is a better than even chance that John dropped the apple. There is a very good chance that if either John dropped the apple, or Antoine is hungry, then Julius is a lion. Chances are slight that if John dropped the apple, or Antoine is hungry, then Jessica is a wolf. It is probably not the case that if either Antoine is hungry, or Mary moved to the office, then Brian is green.
hypothesis: It is impossible that either Brian is green, or Antoine is hungry.
valid_hypothesis: Chances are about even that either Brian is green, or Antoine is hungry.
invalid_hypothesis: It is impossible that either Brian is green, or Antoine is hungry.
hypothesis_assertion: Either Brian is green, or Antoine is hungry.