Anchor: Two people are walking through the desert.
Entailed: A pair of people walk through a dry area.
Contradiction: Two camels are sleeping in the desert.
Contradiction: You already know the answer.
Contradiction: The ledford's asked fieldstone to trade a deed to their house fir $60,000 so that they could buy a condo. 
Contradiction: girl eats ice cream
Contradiction: Tuppence did her part without wavering.