context: It is probably not the case that John put down the milk. There is almost no chance that Lily is yellow. It is highly likely that Julius is a swan. It is almost certain that if Julius is a swan, and Lily is yellow, then Bernhard is green. It is almost certain that if John put down the milk, and Lily is yellow, then Mary moved to the office. Chances are slight that if either John put down the milk, or Lily is yellow, then Antoine is thirsty.
hypothesis: It is impossible that lily is yellow, and Mary moved to the office.
valid_hypothesis: It is impossible that lily is yellow, and Mary moved to the office.
invalid_hypothesis: It is certain that lily is yellow, and Mary moved to the office.
hypothesis_assertion: Lily is yellow, and Mary moved to the office.