context: There is little chance that Brian is gray. Chances are slight that Jeff went to the kitchen. It is unlikely that Daniel dropped the milk. We doubt that if Jeff went to the kitchen, or Brian is gray, then Lily is green. It is highly likely that if Jeff went to the kitchen, and Daniel dropped the milk, then Bernhard is a swan. There is little chance that if either Jeff went to the kitchen, or Brian is gray, then Mary picked up the apple.
hypothesis: There is little chance that bernhard is a swan, or Jeff went to the kitchen.
valid_hypothesis: There is little chance that bernhard is a swan, or Jeff went to the kitchen.
invalid_hypothesis: It is highly likely that bernhard is a swan, or Jeff went to the kitchen.
hypothesis_assertion: Bernhard is a swan, or Jeff went to the kitchen.