Sentence 1: More quintessentially Roman, on nearby Via Condotti, is the city's oldest coffee house, the 18th-century Cafe Greco popular, as you'll see from pictures, busts, and autographs, with Goethe, Byron, Baudelaire, Liszt, Casanova, and Fellini.

Sentence 2: Roman is the oldest building in the city.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: No one need sit up.

Sentence 2: The door was unlocked.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Putting this information to use, the Coast Guard changed the focus of its marine safety program from outputs to outcomes in its first business plan, dated January 1994.

Sentence 2: The Coast Guard has always been focused exclusively on outcomes.
Is this second sentence entailed by the first?

Answer:
no