Sentence 1: The museum has a good, but crowded cafe and a small gift shop.

Sentence 2: Visitors to the museum can eat at a cafe and buy a souvenir at a gift shop.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: So is this Mach 3 an improvement or a mockery of consumer gullibility?

Sentence 2: Is the Mach 3 better looking than the others?
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Culinary delights include Echizen crab and distinctive Echizen soba.

Sentence 2: The Echizen recipes of crab and soba are still prepared today.
Is this second sentence entailed by the first?

Answer:
yes