Anchor: This analysis includes only city delivery letter routes.
Entailed: Only city delivered letter routes were analyzed. 
Contradiction: All letter routes of the country were analyzed. 
Contradiction: A singer is practicing playing his piano.
Contradiction: I'll never see any of it, except for what they take out of my paycheck. 
Contradiction: A musician is cooking for his family.
Contradiction: Men garbed up for winter are standing near a rail near a snowy street.