context: It is almost certain that Julius is a frog. We doubt that Brian is green. It is highly unlikely that Mary got the milk. It is highly likely that if either Mary got the milk, or Brian is green, then Sumit is tired. It is likely that if Mary got the milk, or Brian is green, then Sandra left the apple. Chances are about even that if Mary got the milk, or Brian is green, then Lily is gray.
hypothesis: There is a very good chance that either Sandra left the apple, or Brian is green.
valid_hypothesis: It is improbable that either Sandra left the apple, or Brian is green.
invalid_hypothesis: There is a very good chance that either Sandra left the apple, or Brian is green.
hypothesis_assertion: Either Sandra left the apple, or Brian is green.