Anchor: a young person riding a small wagon down a hill.
Entailed: A young person is outside.
Contradiction: A young person is on the swingset.
Contradiction: No one is holding a baseball.
Contradiction: Most facilities do not have technology to remove SO2.
Contradiction:  The view of the Notre-Dame is obscured at the western end of the Quai d'Orléans.
Contradiction: People are standing outdoors.