Anchor: Firemen are examining a construction site.
Entailed: The firemen are looking at the construction site.
Contradiction: The police are examining a construction site.
Contradiction: A man wearing a t-shirt using a computer with a very small monitor.
Contradiction: People in winter clothes stand on the summit of a snowy mountain.
Contradiction: I can submit this writing any day I want.
Contradiction: He tried to convince me to buy this house.