Sentence 1: Les Corniches

Sentence 2: The Corniches.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: There was a certain bulldog tenacity about Tommy that made him slow to admit defeat.

Sentence 2: Tommy gave up all the tiem.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: but i don't know whether they'll be far enough up where they can do any good

Sentence 2: I don't know if they will be good.
Is this second sentence entailed by the first?

Answer:
yes