There is a better than even chance that Brian is white. Chances are about even that Julius is a rhino. There is little chance that Lily is yellow. We doubt that if Julius is a rhino, and Lily is yellow, then Mary picked up the milk. There is little chance that if Lily is yellow, and Julius is a rhino, then Bernhard is yellow. Chances are slight that if Brian is white, and Julius is a rhino, then Greg is a swan.
There is little chance that lily is yellow, or Bernhard is yellow.
There is little chance that lily is yellow, or Bernhard is yellow.
It is almost certain that lily is yellow, or Bernhard is yellow.
Lily is yellow, or Bernhard is yellow.