Anchor: A child is trying to lay in a hammock with an adult holding onto him by his foot.
Entailed: The child is having trouble staying on the hammock
Contradiction: The hammock is empty.
Contradiction: The Moat House is all the porter could talk about. 
Contradiction: A football player performing a tackle.
Contradiction: I hope you will get rained on your way out.
Contradiction: A person is outside.