We doubt that Antoine is hungry. It is certain that Mary moved to the office. There is a better than even chance that John dropped the apple. There is a very good chance that if either John dropped the apple, or Antoine is hungry, then Julius is a lion. Chances are slight that if John dropped the apple, or Antoine is hungry, then Jessica is a wolf. It is probably not the case that if either Antoine is hungry, or Mary moved to the office, then Brian is green.
It is impossible that either Brian is green, or Antoine is hungry.
Chances are about even that either Brian is green, or Antoine is hungry.
It is impossible that either Brian is green, or Antoine is hungry.
Either Brian is green, or Antoine is hungry.