Anchor: A unique feature of case studies is that data collection and analysis are concurrent.
Entailed: Case studies are unique in their concurrent data collection and analysis.
Contradiction: Case studies always collect data before analysis.
Contradiction: The Japanese did not have an emperor.
Contradiction: A man is laying down.
Contradiction: I started watching her after that Star Spangled Banned thing.
Contradiction: The woman is sitting on a tree stump.