There is almost no chance that Greg is a swan. It is likely that Sandra grabbed the milk. It is likely that Julius is yellow. We believe that if Julius is yellow, or Greg is a swan, then Bill went to the kitchen. Chances are slight that if Greg is a swan, and Julius is yellow, then Lily is gray. It is improbable that if Julius is yellow, or Sandra grabbed the milk, then Brian is green.
It is almost certain that bill went to the kitchen, or Greg is a swan.
Chances are about even that bill went to the kitchen, or Greg is a swan.
It is almost certain that bill went to the kitchen, or Greg is a swan.
Bill went to the kitchen, or Greg is a swan.