Anchor: The features of the six types of case study are not interchangeable.
Entailed: The six types of case study have features that are not interchangeable.
Contradiction: The features of all six are interchangeable.
Contradiction: Why do people tell you that they have the best lettuce in town?
Contradiction: The two women are outside
Contradiction: It's between New York and Florida
Contradiction: He realized that this is a bad house.