context: It is probable that Fred dropped the apple. It is probable that Lily is a rhino. It is highly likely that Julie is in the bedroom.
hypothesis: Chances are about even that either Lily is a rhino, or Fred dropped the apple.
valid_hypothesis: Chances are about even that either Lily is a rhino, or Fred dropped the apple.
invalid_hypothesis: There is almost no chance that either Lily is a rhino, or Fred dropped the apple.
hypothesis_assertion: Either Lily is a rhino, or Fred dropped the apple.