There is a better than even chance that Bernhard is a swan. There is a better than even chance that Brian is green. We believe that Lily is a lion.
There is a very good chance that brian is green, or Bernhard is a swan.
There is a very good chance that brian is green, or Bernhard is a swan.
It is impossible that brian is green, or Bernhard is a swan.
Brian is green, or Bernhard is a swan.