It is likely that Brian is a frog. We believe that Bernhard is gray. We doubt that Julie is in the office. It is improbable that if Bernhard is gray, and Brian is a frog, then Mary put down the milk. It is unlikely that if either Brian is a frog, or Julie is in the office, then Greg is a frog. It is improbable that if Bernhard is gray, or Brian is a frog, then Lily is white.
We believe that lily is white, or Bernhard is gray.
We believe that lily is white, or Bernhard is gray.
There is little chance that lily is white, or Bernhard is gray.
Lily is white, or Bernhard is gray.