Anchor: A group of bike riders are riding in an athletic event.
Entailed: Bike riders are at an athletic event.
Contradiction: Bike riders are eating sandwiches in the middle of the woods.
Contradiction: He made senators happy with his grandstanding attacks on pork.
Contradiction: You can rent gear for diving or ride in boats with glass bottoms.
Contradiction: A man is playing with his dog in the park.
Contradiction: Three men are gathered around a camera.