It is likely that Gertrude is a wolf. It is probably not the case that Greg is yellow. We doubt that John moved to the office. There is a better than even chance that if Greg is yellow, or Gertrude is a wolf, then Winona is a mouse. It is probably the case that if Gertrude is a wolf, and John moved to the office, then Mary put down the milk. It is improbable that if either Gertrude is a wolf, or John moved to the office, then Brian is a lion.
It is certain that mary put down the milk, or Greg is yellow.
It is probably not the case that mary put down the milk, or Greg is yellow.
It is certain that mary put down the milk, or Greg is yellow.
Mary put down the milk, or Greg is yellow.