It is certain that Fred is in the bedroom. It is improbable that John went to the kitchen. There is almost no chance that Lily is a swan. There is a better than even chance that if either Fred is in the bedroom, or John went to the kitchen, then Bernhard is yellow. There is a better than even chance that if John went to the kitchen, or Fred is in the bedroom, then Greg is a lion. There is a very good chance that if John went to the kitchen, and Fred is in the bedroom, then Yann is thirsty.
Chances are slight that either Yann is thirsty, or Lily is a swan.
Chances are slight that either Yann is thirsty, or Lily is a swan.
There is a better than even chance that either Yann is thirsty, or Lily is a swan.
Either Yann is thirsty, or Lily is a swan.