Anchor: One way is to develop a working definition of the case study that embodies its essential methodological features and then to examine the strengths and limitations of case studies for different evaluation questions.
Entailed: Case studies have strengths and limitations that can be examined.
Contradiction: None of the case studies have examinable strengths and limitations.
Contradiction: The dog is black.
Contradiction: A man and a woman are waiting for an appointment
Contradiction: The man was moody and rude.
Contradiction: Man cutting the grass near a building weraing face gear for protection