Sentence 1: One of the great adventures here is separating the treasure-house from the tourist trap, distinguishing priceless gems from pricey junk.

Sentence 2: It is a good adventure to see what is junk and what is valuable.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Perhaps in all this part of the country there are not more than half a hundred warriors and those scattered in small bands.

Sentence 2: In this part of the nation, there are only about fifty warriors spread out in small bands.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Splendid.

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

Answer:
it is not possible to tell