context: It is unlikely that Julius is a rhino. It is probable that Brian is white. It is almost certain that John moved to the garden. It is probably the case that if either Julius is a rhino, or Brian is white, then Lily is yellow. Chances are slight that if either Julius is a rhino, or John moved to the garden, then Julie is in the office. There is little chance that if Julius is a rhino, and Brian is white, then Sandra got the apple.
hypothesis: It is certain that john moved to the garden, and Lily is yellow.
valid_hypothesis: Chances are about even that john moved to the garden, and Lily is yellow.
invalid_hypothesis: It is certain that john moved to the garden, and Lily is yellow.
hypothesis_assertion: John moved to the garden, and Lily is yellow.