It is highly likely that Bill is in the park. It is unlikely that Bernhard is a lion. Chances are about even that John got the milk.
It is unlikely that either Bernhard is a lion, or Bill is in the park.
We believe that either Bernhard is a lion, or Bill is in the park.
It is unlikely that either Bernhard is a lion, or Bill is in the park.
Either Bernhard is a lion, or Bill is in the park.