It is unlikely that John got the apple. There is a very good chance that Lily is a lion. We doubt that Brian is green. We believe that if Brian is green, and Lily is a lion, then Bernhard is green. It is highly unlikely that if Brian is green, and John got the apple, then Greg is a swan. It is almost certain that if either Brian is green, or John got the apple, then Sandra put down the milk.
We doubt that brian is green, or Bernhard is green.
We doubt that brian is green, or Bernhard is green.
It is almost certain that brian is green, or Bernhard is green.
Brian is green, or Bernhard is green.