context: It is probably not the case that Brian is a rhino. It is unlikely that Mary moved to the garden. There is little chance that Greg is white.
hypothesis: It is highly unlikely that mary moved to the garden, and Brian is a rhino.
valid_hypothesis: It is highly unlikely that mary moved to the garden, and Brian is a rhino.
invalid_hypothesis: It is highly likely that mary moved to the garden, and Brian is a rhino.
hypothesis_assertion: Mary moved to the garden, and Brian is a rhino.