Anchor: The usefulness of case study reports, therefore, depends to some degree on how well the investigator has portrayed the participants' ways of thinking about what happened and on how divergent the investigator's analysis is from the reader's ways of thinking about the subject.
Entailed: Case studies are useless if investigators are not experienced in analysis.
Contradiction: All case studies are useful, no matter what the investigator does.
Contradiction: The capitals are decorated with secular themes. 
Contradiction: Not everyone is suited for the corrida.
Contradiction: The children are taking a nap.
Contradiction: There are trees along the banks of the Grand Canal.