Anchor: As you wander you may be surprised to find a horse-racing track, and you may be even more surprised to find no one is the track stays silent except for two race meetings a year (late May and late August, on the long Bank Holiday weekends).
Entailed: There may be more than one surprise for you.
Contradiction: There is nothing surprising about where you are about to wander.
Contradiction: He plays the piano and sings.
Contradiction: A man is wearing a blue shirt
Contradiction: Methodology is of no importance in this instance.
Contradiction: There is a person in the park.