Anchor: Two men are playing football, and one of them has slipped.
Entailed: Men are playing an outdoor sport.
Contradiction: Two men are enjoying a barbecue.
Contradiction: The zoo lies on a flat piece of land, requiring no climbing on the part of the visitor.
Contradiction: There are narrow streets next to the cathedral to the north.
Contradiction: For everyone else but the Cowboys.
Contradiction: The fat man was yelling.