Anchor: You deny absolutely having purchased strychnine from Albert Mace on Monday last?
Entailed: Is it true that you are denying your involvement in a strychnine purchase?
Contradiction: So you agree that you bought the poison then?
Contradiction: The woman wa driving home
Contradiction: Empress Josephine is a 19th-century fort.
Contradiction: The man sits on the ground.
Contradiction: A man is surrounded by swan.