Anchor: A young man getting ready to skateboard off the edge of a ledge as he watches the ground below, or something else may have his full attention.
Entailed: A man gets ready to skateboard off the edge of a ledge.
Contradiction: A man prepares to jump off the edge of a cliff with a parachute.
Contradiction: The beach is open to everyone in the public.
Contradiction: there are alternative transport machines available
Contradiction: Plumpness is shunned upon in poor societies.
Contradiction: The distribution of outbound mail can be ordered by weight.