context: There is a very good chance that Sandra left the apple. It is probable that Brian is a lion. There is almost no chance that Jessica is a mouse.
hypothesis: It is almost certain that either Brian is a lion, or Sandra left the apple.
valid_hypothesis: Chances are about even that either Brian is a lion, or Sandra left the apple.
invalid_hypothesis: It is almost certain that either Brian is a lion, or Sandra left the apple.
hypothesis_assertion: Either Brian is a lion, or Sandra left the apple.