context: It is probable that Brian is a rhino. It is highly unlikely that Lily is white. We doubt that Mary moved to the garden. There is a very good chance that if Brian is a rhino, or Mary moved to the garden, then Julius is yellow. It is almost certain that if Lily is white, or Mary moved to the garden, then Sandra grabbed the milk. It is probably the case that if Lily is white, or Brian is a rhino, then Yann is thirsty.
hypothesis: It is probable that mary moved to the garden, and Brian is a rhino.
valid_hypothesis: It is improbable that mary moved to the garden, and Brian is a rhino.
invalid_hypothesis: It is probable that mary moved to the garden, and Brian is a rhino.
hypothesis_assertion: Mary moved to the garden, and Brian is a rhino.