Sentence 1: They can't imagine being a part of it.

Sentence 2: They don't know what it's like to be a drug dealer.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Karen Brown, news director, No, I've not.

Sentence 2: Karen Brown is the news director.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Say, Miss Tuppence, there's something I'd like to ask you."

Sentence 2: He was going to ask Miss Tuppence out on a date.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell