Sentence 1: A unique feature of case studies is that data collection and analysis are concurrent.

Sentence 2: Case studies are unique in their concurrent data collection and analysis.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: What is it, Dorcas?"

Sentence 2: I really don't have time to talk, Dorcas.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: The prototypical criminal turned out to be way too handsome.

Sentence 2: This prototypical criminal was far too handsome.
Is this second sentence entailed by the first?

Answer:
yes