Anchor: A skier is coming down a mountain while leaning on a single pole.
Entailed: A skier is seen near the mountainside.
Contradiction: A calculator is on the desk.
Contradiction: Why don't you need it? 
Contradiction: If Brave New World is screening on TV, then we are not in it.
Contradiction: I dont rely on the news at all.
Contradiction: The children are jumping up and down.