It is probably not the case that Mary went to the garden. It is impossible that Greg is a lion. It is certain that Brian is white. We doubt that if Brian is white, or Mary went to the garden, then Julius is a swan. It is probable that if either Mary went to the garden, or Greg is a lion, then Bernhard is gray. It is probably not the case that if either Mary went to the garden, or Greg is a lion, then Sandra took the milk.
We believe that either Sandra took the milk, or Bernhard is gray.
Chances are slight that either Sandra took the milk, or Bernhard is gray.
We believe that either Sandra took the milk, or Bernhard is gray.
Either Sandra took the milk, or Bernhard is gray.