There is a very good chance that Greg is yellow. It is almost certain that Lily is a rhino. It is probably the case that Julius is a swan.
There is almost no chance that either Julius is a swan, or Greg is yellow.
Chances are about even that either Julius is a swan, or Greg is yellow.
There is almost no chance that either Julius is a swan, or Greg is yellow.
Either Julius is a swan, or Greg is yellow.