Anchor: More complex case studies might need several layers or graphics; less complex, few.
Entailed: Graphics increase in necessity as the complexity of case studies increases.
Contradiction: The more complex the case study, the less it needs graphical representation.
Contradiction: Nothing is known about the ratings.
Contradiction: All of us are immigrants.
Contradiction: There is a women sitting outdoors
Contradiction: Serving as a director on a board was suggested to be a salaried position.