context: It is almost certain that Mary put down the milk. There is a better than even chance that Lily is a rhino. It is improbable that Sandra left the apple. It is likely that if either Lily is a rhino, or Mary put down the milk, then Greg is yellow. It is impossible that if Lily is a rhino, or Sandra left the apple, then Julius is a swan. It is highly likely that if Lily is a rhino, and Mary put down the milk, then Brian is green.
hypothesis: It is certain that either Lily is a rhino, or Mary put down the milk.
valid_hypothesis: Chances are about even that either Lily is a rhino, or Mary put down the milk.
invalid_hypothesis: It is certain that either Lily is a rhino, or Mary put down the milk.
hypothesis_assertion: Either Lily is a rhino, or Mary put down the milk.