context: There is almost no chance that Bernhard is gray. It is almost certain that Daniel dropped the milk. There is little chance that Brian is yellow. There is a very good chance that if Brian is yellow, and Daniel dropped the milk, then Mary got the apple. It is improbable that if either Daniel dropped the milk, or Brian is yellow, then Julius is a rhino. There is little chance that if Brian is yellow, and Bernhard is gray, then John moved to the garden.
hypothesis: It is probable that either Julius is a rhino, or Mary got the apple.
valid_hypothesis: We doubt that either Julius is a rhino, or Mary got the apple.
invalid_hypothesis: It is probable that either Julius is a rhino, or Mary got the apple.
hypothesis_assertion: Either Julius is a rhino, or Mary got the apple.