Anchor: No wonder HMOs sign up 50,000 new Medicare customers every month.
Entailed: It's makes sense that HMOs have 50,000 new Medicare sign ups each month. 
Contradiction: No wonder HMOs are signing up 3 new Medicare clients every three months. 
Contradiction: The policeman is on patrol in his car.
Contradiction: A woman stands under an awning.
Contradiction: A girl and a boy are posing outside.
Contradiction: A man is smoking.