It is highly unlikely that Greg is white. We doubt that Mary left the milk. It is probably not the case that Winona is a wolf. It is certain that if Greg is white, and Winona is a wolf, then John went to the hallway. It is unlikely that if either Mary left the milk, or Winona is a wolf, then Brian is gray. It is almost certain that if Winona is a wolf, and Greg is white, then Julius is a rhino.
It is highly likely that greg is white, or Mary left the milk.
It is probably not the case that greg is white, or Mary left the milk.
It is highly likely that greg is white, or Mary left the milk.
Greg is white, or Mary left the milk.