Sentence 1: well nowadays you have to be

Sentence 2: These days you don't have to be.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: The theory of resonance, I see.

Sentence 2: The resonance theory, finally.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Linda Lund, program director, said 25 percent of lawyers with an active license volunteer.

Sentence 2: Only 2% of all lawyers, and only 1% of those with an active license, engage in volunteering.
Is this second sentence entailed by the first?

Answer:
no