Anchor: The Organisation for Economic Co-operation and Development provides a setting in which 30 member countries can discuss, develop, and perfect economic and social policy.
Entailed: The organization allows countries to discuss import issues.
Contradiction: Only 5 members are allowed in the organization at a time.
Contradiction: A man is sitting at his desk.
Contradiction: It's going to be cheaper because it doesn't have air conditioning but does have gas heating. 
Contradiction: The four women are swimming the 400 meter butterfly.
Contradiction: The man is playing soccer with his team mates.