Anchor: well i've held a summer job since i you know i was in the eleventh grade
Entailed: I've held a summer job since eleventh grade
Contradiction: I've never had a summer job
Contradiction: The Boulevard de Capucines and the Boulevard des Italiens run parallel to one and another and never intersect. 
Contradiction: It got lost somewhere because of the war's long-term effects. 
Contradiction: Though she is getting older she is still quite alert.
Contradiction: If someone pays a lot of money for a bottle of wine, I assume he's well informed about its quality.