Sentence 1: Note that sometimes there is a cover charge of HK$50 to HK$200 at clubs, which may or may not include a couple of drinks.

Sentence 2: Some clubs have a cover charge, and this charge does not always include drinks.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: However, Sevilla la Nueva was not completely abandoned, continuing as a working plantation and rum distillery that were later developed and expanded under British rule.

Sentence 2: Sevilla la Nueva has about 500 workers left in it.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: 16 billion, not accounting for plan sponsor responses to reduce that impact.

Sentence 2: The military defense budget was shrinking since last year.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell