Anchor: The present buildings are based around a fourth-century structure that is said to have been commissioned by St. Helen, mother of Constantine the Great (founder of Constantinople and the leader who converted the Roman Empire to Christianity), and the sixth-century chapel uses columns from an earlier Roman temple.
Entailed: The mother of Constantine the Great commissioned the structure. 
Contradiction: Nobody knew who the mother of Constantine was. 
Contradiction: The dog is on the table
Contradiction: two women are seated
Contradiction: The music industry has been stable in recent years.
Contradiction: The exhibition says the written word is becoming less important.