context: It is likely that Julius is a rhino. We doubt that Lily is white. It is highly unlikely that Mary took the apple.
hypothesis: It is probably not the case that either Lily is white, or Mary took the apple.
valid_hypothesis: It is probably not the case that either Lily is white, or Mary took the apple.
invalid_hypothesis: It is probable that either Lily is white, or Mary took the apple.
hypothesis_assertion: Either Lily is white, or Mary took the apple.