context: We believe that Daniel got the milk. There is little chance that Bernhard is a frog. It is likely that Lily is a swan. We doubt that if either Lily is a swan, or Daniel got the milk, then Gertrude is a mouse. There is a very good chance that if either Daniel got the milk, or Lily is a swan, then Brian is white. It is almost certain that if Daniel got the milk, and Lily is a swan, then John took the football.
hypothesis: It is probably not the case that brian is white, or Gertrude is a mouse.
valid_hypothesis: It is probably not the case that brian is white, or Gertrude is a mouse.
invalid_hypothesis: It is certain that brian is white, or Gertrude is a mouse.
hypothesis_assertion: Brian is white, or Gertrude is a mouse.