context: It is highly likely that John picked up the apple. There is a better than even chance that Bill went to the cinema. It is certain that Julius is green. There is little chance that if John picked up the apple, or Julius is green, then Lily is a swan. There is almost no chance that if either Bill went to the cinema, or John picked up the apple, then Sandra grabbed the milk. Chances are about even that if either Bill went to the cinema, or Julius is green, then Bernhard is white.
hypothesis: It is impossible that julius is green, or Lily is a swan.
valid_hypothesis: It is certain that julius is green, or Lily is a swan.
invalid_hypothesis: It is impossible that julius is green, or Lily is a swan.
hypothesis_assertion: Julius is green, or Lily is a swan.