context: It is highly likely that Mary left the apple. There is a very good chance that Brian is a lion. It is almost certain that John dropped the milk. It is probable that if John dropped the milk, or Brian is a lion, then Julius is green. It is certain that if either Mary left the apple, or Brian is a lion, then Greg is yellow. There is a better than even chance that if John dropped the milk, or Brian is a lion, then Bernhard is gray.
hypothesis: It is probably not the case that either Mary left the apple, or Julius is green.
valid_hypothesis: It is probably not the case that either Mary left the apple, or Julius is green.
invalid_hypothesis: It is probably the case that either Mary left the apple, or Julius is green.
hypothesis_assertion: Either Mary left the apple, or Julius is green.