Sentence 1: of course you have to get there early if you want to get anything

Sentence 2: You can get something if you arrive late.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: A sound public infrastructure plays a vital role in the nation's capacity to produce goods and services in the future.

Sentence 2: Infrastructure has no lasting effects.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: That is true, said the working man suddenly.

Sentence 2: The man agreed it was correct.
Is this second sentence entailed by the first?

Answer:
yes