context: It is almost certain that Mary went to the garden. It is probable that Sandra got the apple. There is a better than even chance that Julius is a rhino. There is a very good chance that if Mary went to the garden, and Julius is a rhino, then Fred left the football. It is probable that if Sandra got the apple, or Julius is a rhino, then John dropped the apple. Chances are about even that if either Mary went to the garden, or Sandra got the apple, then Bernhard is white.
hypothesis: It is almost certain that bernhard is white, and Sandra got the apple.
valid_hypothesis: There is almost no chance that bernhard is white, and Sandra got the apple.
invalid_hypothesis: It is almost certain that bernhard is white, and Sandra got the apple.
hypothesis_assertion: Bernhard is white, and Sandra got the apple.