It is improbable that Mary moved to the garden. There is a better than even chance that Bernhard is a swan. There is almost no chance that John picked up the apple. Chances are about even that if Bernhard is a swan, and John picked up the apple, then Julius is gray. We doubt that if Mary moved to the garden, or Bernhard is a swan, then Gertrude is a wolf. Chances are slight that if Bernhard is a swan, or Mary moved to the garden, then Greg is a frog.
It is improbable that either Julius is gray, or Mary moved to the garden.
It is improbable that either Julius is gray, or Mary moved to the garden.
It is certain that either Julius is gray, or Mary moved to the garden.
Either Julius is gray, or Mary moved to the garden.