Sentence 1: Fewer sales means fewer parcels to deliver, whether by white trucks with an eagle or big, brown trucks.

Sentence 2: Sales have been slow this year, so there have not been many delivers.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: And U.K. giant British Telecom purchased MCI.

Sentence 2: British Telecom, a huge U.K. based company, bought MCI.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Not bad.

Sentence 2: That is great!
Is this second sentence entailed by the first?

Answer:
no