context: It is unlikely that Brian is a rhino. It is unlikely that Bill went to the kitchen. It is highly likely that Sandra got the apple.
hypothesis: It is highly likely that sandra got the apple, and Brian is a rhino.
valid_hypothesis: It is unlikely that sandra got the apple, and Brian is a rhino.
invalid_hypothesis: It is highly likely that sandra got the apple, and Brian is a rhino.
hypothesis_assertion: Sandra got the apple, and Brian is a rhino.