context: It is probably not the case that Lily is a frog. It is probably the case that Brian is a lion. We believe that Julius is green. There is a very good chance that if either Lily is a frog, or Julius is green, then Bernhard is white. There is a very good chance that if Brian is a lion, and Lily is a frog, then John moved to the office. It is certain that if Lily is a frog, or Brian is a lion, then Mary took the milk.
hypothesis: There is a better than even chance that john moved to the office, and Mary took the milk.
valid_hypothesis: It is improbable that john moved to the office, and Mary took the milk.
invalid_hypothesis: There is a better than even chance that john moved to the office, and Mary took the milk.
hypothesis_assertion: John moved to the office, and Mary took the milk.