Sentence 1: Quota sampling assumes that the answers of a particular demographic group such as white, 18-to-25-year-old Internet users can be projected to describe the opinions of white 18-to-25-year-olds at large.

Sentence 2: Quota sampling is where you blanket poll the entire population and ignore demographics.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: never have seen it

Sentence 2: Saw it 3 times.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Mr. Pytlasinski, and don't you have, you know, by chance just a drop of that borax for a heiress from podunk Zapolandia?

Sentence 2: There is an heiress from podunk Zapolandia
Is this second sentence entailed by the first?

Answer:
yes