Anchor: A young man attempts to ride a unicycle down an outdoor stairway stained with moss.
Entailed: A man rides a unicycle.
Contradiction: Two friends race on dirt bikes.
Contradiction: His search was quick and efficient.
Contradiction: There are people at a pool.
Contradiction: People in North Dallas don't care about material possessions at all. 
Contradiction: Penang offers porcelain ware, chains, coins, old glass, ceiling lamps, and antique clocks.