Anchor: Weekend games are still held on the polo field in the front yard.
Entailed: There are still games on the polo field on weekends.
Contradiction: There are no longer any games played on the polo field.
Contradiction: "My Bed" is a piece of British art from the renaissance period. 
Contradiction: The explosion of nukes by India appear to be a move to increase its self-esteem and an emphasis that there is no threat for its' neighbors, China and Pakistan. 
Contradiction: He seemed disgusted by the sight of the flower beds.
Contradiction: No one has ever told me that they trust the information.