Anchor: Racers run for the finish line, in an indoor meet, and one man has a big lead.
Entailed: Racers are at a race indoors.
Contradiction: Racers are at a running expo.
Contradiction: The went into the building with a plan.
Contradiction: The men are outside.
Contradiction: A good is not a tangible product. 
Contradiction: She went over to the window.