We doubt that Lily is a swan. Chances are slight that John went to the kitchen. It is likely that Daniel got the football. It is likely that if either Lily is a swan, or Daniel got the football, then Bernhard is green. It is impossible that if either Lily is a swan, or Daniel got the football, then Julius is a frog. There is a better than even chance that if either John went to the kitchen, or Daniel got the football, then Greg is white.
There is almost no chance that greg is white, or Lily is a swan.
Chances are about even that greg is white, or Lily is a swan.
There is almost no chance that greg is white, or Lily is a swan.
Greg is white, or Lily is a swan.