Anchor: The case study is a method of learning about a complex instance, based on a comprehensive understanding of that instance obtained by extensive description and analysis of the instance taken as a whole and in its context.
Entailed: The case study is a way to learn about a complex instance.
Contradiction: The case study is a way to learn about a simple instance.
Contradiction: A young person is learning how to swim.
Contradiction: there are people at a bar.
Contradiction: The bicyclist is taking a break.
Contradiction: A boy is sitting on a shovel.