It is probable that John dropped the apple. There is a better than even chance that Brian is gray. It is certain that Greg is a rhino. There is a very good chance that if John dropped the apple, and Greg is a rhino, then Fred moved to the office. It is likely that if Brian is gray, or Greg is a rhino, then Bernhard is gray. It is almost certain that if either Brian is gray, or Greg is a rhino, then Bill went to the bedroom.
Chances are about even that either Brian is gray, or Bernhard is gray.
Chances are about even that either Brian is gray, or Bernhard is gray.
It is almost certain that either Brian is gray, or Bernhard is gray.
Either Brian is gray, or Bernhard is gray.