context: It is probable that Bernhard is white. It is probable that Mary moved to the garden. There is a very good chance that John took the apple. There is a very good chance that if either John took the apple, or Mary moved to the garden, then Gertrude is a cat. There is a better than even chance that if Mary moved to the garden, or John took the apple, then Sandra left the football. It is improbable that if either John took the apple, or Mary moved to the garden, then Lily is yellow.
hypothesis: There is little chance that gertrude is a cat, and Mary moved to the garden.
valid_hypothesis: There is little chance that gertrude is a cat, and Mary moved to the garden.
invalid_hypothesis: There is a better than even chance that gertrude is a cat, and Mary moved to the garden.
hypothesis_assertion: Gertrude is a cat, and Mary moved to the garden.