Anchor: Problems and Use of the Single Case in Political Research.
Entailed: Issues and use of a case in political research 
Contradiction: Misuse of case in political research
Contradiction: The man is not on a bike
Contradiction: A man is playing his guitar
Contradiction: A worker is on a step stool doing work while others work below.
Contradiction: Welfare cases have many reasons to not get jobs, including lack of interests.