Anchor: A woman with brown hair, white blouse, and a red purse is wearing headphones while a black-haired woman in a black and white blouse smiles next to her.
Entailed: a woman smiling
Contradiction: the two woman don't see each other walk by
Contradiction: There is no way to enhance accountability or effectiveness.
Contradiction: Thanks, is what I say. 
Contradiction: A male is not tossing anything
Contradiction: Performance varies, and has to be compared using some benchmarks.