context: It is improbable that Mary put down the milk. It is probably not the case that Julius is a rhino. It is almost certain that Greg is white. It is certain that if Julius is a rhino, or Mary put down the milk, then Sandra left the apple. Chances are about even that if Greg is white, and Julius is a rhino, then Bernhard is yellow. It is improbable that if Mary put down the milk, and Greg is white, then Brian is green.
hypothesis: It is improbable that bernhard is yellow, or Brian is green.
valid_hypothesis: It is improbable that bernhard is yellow, or Brian is green.
invalid_hypothesis: It is highly likely that bernhard is yellow, or Brian is green.
hypothesis_assertion: Bernhard is yellow, or Brian is green.