Anchor: a young man sliiding down a railing near some stairs
Entailed: a boy going down.
Contradiction: The young man walked down the stairs.
Contradiction: People are playing hockey.
Contradiction: One girl has a finger in the other girl's mouth.
Contradiction: The area is so clear and quiet that you may take  photos and see the sights undisturbed.
Contradiction: The yard clippings can be put in these massive, strong paper bags that are about chest-high.