context: There is little chance that Brian is gray. There is a better than even chance that Mary moved to the office. There is almost no chance that Lily is a swan. There is almost no chance that if either Mary moved to the office, or Lily is a swan, then Julius is yellow. We believe that if Brian is gray, or Lily is a swan, then Gertrude is a cat. There is little chance that if either Mary moved to the office, or Lily is a swan, then Jason is bored.
hypothesis: Chances are about even that julius is yellow, and Lily is a swan.
valid_hypothesis: It is impossible that julius is yellow, and Lily is a swan.
invalid_hypothesis: Chances are about even that julius is yellow, and Lily is a swan.
hypothesis_assertion: Julius is yellow, and Lily is a swan.