Sentence 1: It's the difference between the lawyer and the dramatist, between the general and the particular.

Sentence 2: There is no difference between the lawyer and the dramatist.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: 7 billion remained.

Sentence 2: Only 7 out of 10 billion remained.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Where are you off to?

Sentence 2: You're staying here for the day.
Is this second sentence entailed by the first?

Answer:
no