We believe that Bernhard is a lion. It is almost certain that Mary went to the garden. It is probably the case that Gertrude is a wolf. Chances are slight that if Bernhard is a lion, or Gertrude is a wolf, then Lily is a swan. We doubt that if Bernhard is a lion, and Gertrude is a wolf, then Sandra left the milk. It is probably the case that if Mary went to the garden, and Gertrude is a wolf, then Greg is white.
Chances are about even that either Bernhard is a lion, or Gertrude is a wolf.
Chances are about even that either Bernhard is a lion, or Gertrude is a wolf.
It is impossible that either Bernhard is a lion, or Gertrude is a wolf.
Either Bernhard is a lion, or Gertrude is a wolf.