We doubt that John went to the garden. It is impossible that Sandra left the apple. We believe that Bernhard is a swan. Chances are about even that if either Sandra left the apple, or John went to the garden, then Julius is gray. Chances are about even that if either Bernhard is a swan, or Sandra left the apple, then Lily is a frog. There is a very good chance that if either Sandra left the apple, or Bernhard is a swan, then Greg is green.
There is a better than even chance that either Greg is green, or Sandra left the apple.
There is a better than even chance that either Greg is green, or Sandra left the apple.
There is almost no chance that either Greg is green, or Sandra left the apple.
Either Greg is green, or Sandra left the apple.