We believe that Bernhard is green. There is almost no chance that Mary dropped the milk. We believe that Lily is a frog.
It is highly unlikely that either Lily is a frog, or Mary dropped the milk.
We believe that either Lily is a frog, or Mary dropped the milk.
It is highly unlikely that either Lily is a frog, or Mary dropped the milk.
Either Lily is a frog, or Mary dropped the milk.