Anchor: Now suppose anyone wished to pass himself off as John or Lawrence Cavendish. 
Entailed: Imagine anyone wanting to impersonate John or Lawrence Cavendish. 
Contradiction: Don't consider the idea of anyone attempting to impersonate Lawrence Cavendish. 
Contradiction: The Emperor Diocletian  is still alive and well today.
Contradiction: The team isn't doing as well as they have before.
Contradiction: The zebras are playing with a ball.
Contradiction: The lady and her dog are outside.