Sentence 1: yeah Africa

Sentence 2: Yes, Africa.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: He _told_ you to do that.

Sentence 2: He told you to do that because he doesn't like you.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Finally, the meeting over, he races out the back exit before they can pummel me.

Sentence 2: The meeting is finally over for once.
Is this second sentence entailed by the first?

Answer:
yes