We believe that Daniel left the milk. We believe that Gertrude is a mouse. Chances are about even that Sandra got the apple. It is unlikely that if Gertrude is a mouse, or Daniel left the milk, then John went to the garden. It is impossible that if Daniel left the milk, and Gertrude is a mouse, then Jessica is a sheep. Chances are slight that if Sandra got the apple, and Daniel left the milk, then Bernhard is a frog.
There is a very good chance that john went to the garden, or Daniel left the milk.
There is a very good chance that john went to the garden, or Daniel left the milk.
It is impossible that john went to the garden, or Daniel left the milk.
John went to the garden, or Daniel left the milk.