Anchor: A man rides his bike on the side of a rocky hill.
Entailed: A mountainbiker.
Contradiction: Travis Pastrana blasts his way up the mountain on a brand new CRF450F
Contradiction: A teenager is performing in a Broadway play
Contradiction: Poirot got out of a car. along with Japp and Summerhaye. 
Contradiction: The teens are playing hockey
Contradiction: There was a shipwreck in the early 20th century.