Anchor: We turn now to other elements that distinguish a case study from a not-case study and a good case study from a not-good case study.
Entailed: There are elements that distinguish it.
Contradiction: The case studies are all quite good.
Contradiction: A man in blue shirt is fanning himself on a chair.
Contradiction: People are allowrd to donate a kidney to their child, but not their heart. 
Contradiction: Rosenthal didn't associate with Farrakhan.
Contradiction: People and a car at a city intersection.