Anchor: A group of people cleaning a beach.
Entailed: A group of people clean a beach.
Contradiction: A group of people clean their kitchen.
Contradiction: That is all I have to say on the matter.
Contradiction: The banks need to take action if the demand increases.
Contradiction: The man is in love with a bowling ball.
Contradiction: Imagine anyone wanting to impersonate John or Lawrence Cavendish.