Anchor: i used to love hamburger joints and i don't go to them i don't eat hamburgers anymore but
Entailed: I don't eat hamburgers anymore but I use to love burger joints. 
Contradiction: I've always hated hamburgers, they taste disgusting. 
Contradiction: the man with the guitar has hair
Contradiction: Slash and burn agriculture was practiced for yams and millet where a partially nomadic existence occurred from one jungle clearing to another.
Contradiction: A man is drinking coffee.
Contradiction: A dog is outside.