Anchor: The skater throws his arms into the air as he skids down the concrete wall.
Entailed: The skater put his arms up.
Contradiction: The skater turned into concrete.
Contradiction: I think everyone should have the option of parole after one year. 
Contradiction: Two people are standing outside a restaurant
Contradiction: The clowns are being chased by bulls.
Contradiction: IPM has at least 3 reasons why it is well suited to model multi-emissions control programs.