context: It is probably the case that Greg is a rhino. We doubt that Julius is gray. It is highly likely that Sandra got the milk. It is certain that if either Greg is a rhino, or Sandra got the milk, then Brian is green. It is impossible that if Sandra got the milk, and Greg is a rhino, then Bernhard is a swan. It is probably the case that if Julius is gray, and Sandra got the milk, then John left the apple.
hypothesis: There is a better than even chance that either Greg is a rhino, or John left the apple.
valid_hypothesis: There is a better than even chance that either Greg is a rhino, or John left the apple.
invalid_hypothesis: It is highly unlikely that either Greg is a rhino, or John left the apple.
hypothesis_assertion: Either Greg is a rhino, or John left the apple.