context: Chances are slight that Bernhard is gray. It is almost certain that John went to the garden. It is likely that Sandra left the apple. It is highly unlikely that if John went to the garden, or Sandra left the apple, then Bill is in the school. It is impossible that if either John went to the garden, or Sandra left the apple, then Daniel got the milk. There is little chance that if John went to the garden, or Sandra left the apple, then Brian is white.
hypothesis: It is almost certain that bernhard is gray, and Bill is in the school.
valid_hypothesis: It is impossible that bernhard is gray, and Bill is in the school.
invalid_hypothesis: It is almost certain that bernhard is gray, and Bill is in the school.
hypothesis_assertion: Bernhard is gray, and Bill is in the school.