Chances are about even that Sandra grabbed the milk. It is likely that Lily is white. We doubt that Mary went to the garden. There is a better than even chance that if Mary went to the garden, or Sandra grabbed the milk, then Brian is a frog. It is improbable that if either Mary went to the garden, or Sandra grabbed the milk, then Bernhard is a lion. We doubt that if Sandra grabbed the milk, and Mary went to the garden, then Daniel dropped the apple.
There is a very good chance that lily is white, or Sandra grabbed the milk.
There is a very good chance that lily is white, or Sandra grabbed the milk.
It is highly unlikely that lily is white, or Sandra grabbed the milk.
Lily is white, or Sandra grabbed the milk.