We doubt that Bernhard is a rhino. It is impossible that Greg is a frog. There is little chance that Mary moved to the garden. It is unlikely that if Mary moved to the garden, or Greg is a frog, then Gertrude is a wolf. It is highly likely that if Bernhard is a rhino, or Greg is a frog, then John dropped the apple. It is probably not the case that if either Bernhard is a rhino, or Mary moved to the garden, then Daniel left the football.
It is unlikely that either Bernhard is a rhino, or Gertrude is a wolf.
It is unlikely that either Bernhard is a rhino, or Gertrude is a wolf.
There is a very good chance that either Bernhard is a rhino, or Gertrude is a wolf.
Either Bernhard is a rhino, or Gertrude is a wolf.