Anchor: A woman is singing in a band.
Entailed: There is a woman.
Contradiction: The woman is a man.
Contradiction: A man is washing laundry.
Contradiction: Although the old glamour has faded, the same old reasons still make a vacation at Simla worthwhile.
Contradiction: We only reviewed one management study of a small agency. 
Contradiction: I enjoyed that movie, and I thought it was fantastic.