There is little chance that Julius is a lion. It is almost certain that Brian is yellow. Chances are about even that Lily is white. Chances are slight that if Julius is a lion, or Lily is white, then Greg is a rhino. It is highly likely that if either Julius is a lion, or Lily is white, then Bill went to the garden. There is little chance that if either Julius is a lion, or Brian is yellow, then John left the apple.
It is impossible that either John left the apple, or Bill went to the garden.
Chances are about even that either John left the apple, or Bill went to the garden.
It is impossible that either John left the apple, or Bill went to the garden.
Either John left the apple, or Bill went to the garden.