Sentence 1: The first improvement needed in regard to DC mail is a specific study providing the weight distribution of inbound mail received from DC FPAs, by class of mail.

Sentence 2: The distribution of inbound mail was sent back as there were no stamps.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: The solution is If you want elected officials who put principle ahead of power, voting for women gives you better odds.

Sentence 2: Women are better at putting principles ahead of the hunger for power.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: A walk of a few blocks can take you into different worlds and centuries.

Sentence 2: There's no way that a short walk can take you to a different world.
Is this second sentence entailed by the first?

Answer:
no