Sentence 1: U.S. allow for a substantial degree of competition with the Postal Service in mailprocessing and transportation.

Sentence 2: The Postal Service is not concerned with competitors.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Now who's on top and who's underneath? she crowed.

Sentence 2: This was the first time they had gone to bed together.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Slate editor, who suggested I do a piece.

Sentence 2: The Slate editor does not need any new work.
Is this second sentence entailed by the first?

Answer:
no