context: There is little chance that Lily is white. It is highly unlikely that Fred went to the kitchen. There is a better than even chance that Julius is a rhino. It is probably the case that if Lily is white, and Fred went to the kitchen, then Bernhard is green. It is unlikely that if either Lily is white, or Julius is a rhino, then Brian is a frog. It is almost certain that if either Lily is white, or Julius is a rhino, then John dropped the apple.
hypothesis: It is highly unlikely that fred went to the kitchen, or John dropped the apple.
valid_hypothesis: There is a better than even chance that fred went to the kitchen, or John dropped the apple.
invalid_hypothesis: It is highly unlikely that fred went to the kitchen, or John dropped the apple.
hypothesis_assertion: Fred went to the kitchen, or John dropped the apple.