context: It is highly likely that Daniel is in the garden. It is improbable that Bernhard is a swan. We doubt that Brian is gray. It is probable that if Daniel is in the garden, and Bernhard is a swan, then Mary went to the kitchen. It is certain that if Daniel is in the garden, or Brian is gray, then John left the apple. We believe that if either Brian is gray, or Daniel is in the garden, then Julius is white.
hypothesis: Chances are about even that mary went to the kitchen, and Brian is gray.
valid_hypothesis: There is almost no chance that mary went to the kitchen, and Brian is gray.
invalid_hypothesis: Chances are about even that mary went to the kitchen, and Brian is gray.
hypothesis_assertion: Mary went to the kitchen, and Brian is gray.