context: It is probably not the case that Brian is white. It is impossible that Julius is a rhino. It is unlikely that Mary went to the garden. We doubt that if Julius is a rhino, and Brian is white, then Sandra got the apple. It is almost certain that if Mary went to the garden, or Brian is white, then Lily is yellow. It is highly likely that if Mary went to the garden, and Julius is a rhino, then Daniel dropped the milk.
hypothesis: It is probably the case that mary went to the garden, or Julius is a rhino.
valid_hypothesis: It is unlikely that mary went to the garden, or Julius is a rhino.
invalid_hypothesis: It is probably the case that mary went to the garden, or Julius is a rhino.
hypothesis_assertion: Mary went to the garden, or Julius is a rhino.