context: It is probably the case that Sandra got the apple. There is a better than even chance that Brian is a frog. Chances are slight that Mary grabbed the milk. It is probable that if Brian is a frog, or Sandra got the apple, then Bernhard is green. We doubt that if either Brian is a frog, or Sandra got the apple, then John went to the bedroom. There is a very good chance that if either Brian is a frog, or Mary grabbed the milk, then Emily is a mouse.
hypothesis: There is almost no chance that john went to the bedroom, or Brian is a frog.
valid_hypothesis: It is likely that john went to the bedroom, or Brian is a frog.
invalid_hypothesis: There is almost no chance that john went to the bedroom, or Brian is a frog.
hypothesis_assertion: John went to the bedroom, or Brian is a frog.