Anchor: We can summarize this paper in the answers to three  What are case studies?
Entailed: We can shorten it to "What are case studies?"
Contradiction: It's difficult to summarize this paper.
Contradiction: A little boy in blue is sitting on the grass in the forest.
Contradiction: The federal programs have increased in size.
Contradiction: A kid watches a sparrow out his bedroom window.
Contradiction: Two people are sitting.