context: Chances are slight that Jeff went to the kitchen. It is probable that Sandra left the apple. We believe that Julius is gray. There is little chance that if Jeff went to the kitchen, and Julius is gray, then Yann is thirsty. It is unlikely that if either Julius is gray, or Sandra left the apple, then Bernhard is a swan. It is probable that if either Sandra left the apple, or Julius is gray, then Lily is yellow.
hypothesis: It is unlikely that julius is gray, or Lily is yellow.
valid_hypothesis: It is highly likely that julius is gray, or Lily is yellow.
invalid_hypothesis: It is unlikely that julius is gray, or Lily is yellow.
hypothesis_assertion: Julius is gray, or Lily is yellow.