Anchor: There is the strychnine sold across the counter at Styles St. Mary by Mace. 
Entailed: Someone could buy strychnine without having a prescription.
Contradiction: Strychnine is never sold over the counter at Styles.
Contradiction: Ca'daan was very ungrateful.
Contradiction: Do you attend an aerobics class?
Contradiction: boy sits home alone
Contradiction: There is a running track.