It is unlikely that Mary dropped the milk. There is almost no chance that Bernhard is yellow. We believe that Lily is a lion. It is highly likely that if either Lily is a lion, or Mary dropped the milk, then Daniel is in the garden. It is impossible that if either Lily is a lion, or Mary dropped the milk, then Gertrude is a cat. There is a very good chance that if either Bernhard is yellow, or Lily is a lion, then Brian is gray.
It is impossible that brian is gray, or Daniel is in the garden.
We believe that brian is gray, or Daniel is in the garden.
It is impossible that brian is gray, or Daniel is in the garden.
Brian is gray, or Daniel is in the garden.