It is unlikely that John took the apple. It is probable that Mary went to the kitchen. It is probably the case that Julius is a frog. It is likely that if John took the apple, or Mary went to the kitchen, then Brian is a swan. We doubt that if either Mary went to the kitchen, or John took the apple, then Bernhard is white. It is probable that if Julius is a frog, or Mary went to the kitchen, then Greg is green.
There is a better than even chance that either John took the apple, or Greg is green.
There is a better than even chance that either John took the apple, or Greg is green.
Chances are slight that either John took the apple, or Greg is green.
Either John took the apple, or Greg is green.