Anchor: A young man rides a skateboard along a metal pole.
Entailed: a young man rides his skateboard along the metal pole
Contradiction: The young man fell off the pole and broke his arm.
Contradiction: Three men sit at a table and enjoy their coffee.
Contradiction: Rennie walked to the side of the cart, "This house is yours." 
Contradiction: The area was completely free of piracy during the 17th and 18th centuries.
Contradiction: A kid is swimming in the water.