context: It is likely that John got the milk. It is almost certain that Greg is a swan. It is almost certain that Lily is white. We doubt that if Lily is white, or Greg is a swan, then Emily is a mouse. It is impossible that if John got the milk, or Lily is white, then Bernhard is gray. We doubt that if Greg is a swan, and Lily is white, then Mary left the football.
hypothesis: There is little chance that john got the milk, and Emily is a mouse.
valid_hypothesis: There is little chance that john got the milk, and Emily is a mouse.
invalid_hypothesis: We believe that john got the milk, and Emily is a mouse.
hypothesis_assertion: John got the milk, and Emily is a mouse.