Anchor: If you would like to scale the highest heights, you'll need expert guidance.
Entailed: Some lessons and advice are a good idea if you want to climb.
Contradiction: Climbing is a good sport for novices. 
Contradiction: The man is wearing nothing on his head.
Contradiction: a boys eats with a spoon
Contradiction: The bed is about to break.
Contradiction: Cassettes were never as costly as CD's.