Sentence 1: Note that since many festivals follow the lunar calendar, the actual dates vary from year to year.

Sentence 2: The lunar festival is one of the world's most popular festivals.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: The crypt is a grim maze of corridors lined with cells containing the tombs of the famous, as well as the not-so-famous.

Sentence 2: The crypt is a labyrinth of corridors filled with cells.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Susan M. Hoffman, the pro bono coordinator at Washington, D.C.'s Crowell and Moring, regularly receives queries from non-profit organizations via email.

Sentence 2: Susan M. Hoffman answers many questions for non-profits.
Is this second sentence entailed by the first?

Answer:
yes