Anchor: Some children are playing football with a seacoast in the background.
Entailed: Children are playing a sport near the ocean.
Contradiction: Children are hiking in the mountains.
Contradiction: The plan is a great idea. 
Contradiction: The Purana Qila (Old Fort) was a popular target for plundering.
Contradiction: "This space-ship is huge!" Red said.
Contradiction: A group of people are kayaking away from thew city.