Anchor: adults and children ride bikes on a trail.
Entailed: People are out riding bikes.
Contradiction: People are out riding scooters on a road.
Contradiction: I just can't watch the MacNeil Lehrer news hour.
Contradiction: Channel two and thrity six are both public channels.
Contradiction: A man is sitting by a fireplace with his cat.
Contradiction: The estimate I had for it was $300.