context: There is little chance that Julius is a lion. It is highly unlikely that Brian is white. We doubt that John moved to the garden.
hypothesis: Chances are slight that either Brian is white, or Julius is a lion.
valid_hypothesis: Chances are slight that either Brian is white, or Julius is a lion.
invalid_hypothesis: There is a better than even chance that either Brian is white, or Julius is a lion.
hypothesis_assertion: Either Brian is white, or Julius is a lion.