Anchor:   Use a 360-degree performance feedback system.
Entailed: Make use of a 360-degree feedback system.
Contradiction: The performance feedback system is a 180-degree model.
Contradiction: The boys are playing in the grass.
Contradiction: Porta Portese in Trastevere is a popular place for people watching and shopping.
Contradiction: The priests brandish the poles for one week.
Contradiction: He has Lego blocks all around him