context: Chances are about even that Julius is white. It is certain that Brian is gray. Chances are about even that Gertrude is a mouse. It is unlikely that if Gertrude is a mouse, and Julius is white, then Daniel left the milk. We doubt that if Brian is gray, and Julius is white, then Mary moved to the office. We doubt that if Julius is white, or Gertrude is a mouse, then Lily is a swan.
hypothesis: There is almost no chance that daniel left the milk, and Mary moved to the office.
valid_hypothesis: There is almost no chance that daniel left the milk, and Mary moved to the office.
invalid_hypothesis: There is a very good chance that daniel left the milk, and Mary moved to the office.
hypothesis_assertion: Daniel left the milk, and Mary moved to the office.