Anchor: Old Madrid's centerpiece is its splendid, porticoed and sun-glazed Plaza Mayor.
Entailed: The centerpiece of Old Madrid is the Plaza Mayor.
Contradiction: The Plaza Mayor does not serve as the centerpiece of Old Madrid. 
Contradiction: They have no connection to each other.
Contradiction: A child is outside.
Contradiction: When do you think you'll die?
Contradiction: The kid is old enough to stand alone.