Question: Sentence A: Still thriving are the old commercial areas which brought so much of the wealth to the city and country generally.

Sentence B: The old commercial areas are dead.

If sentence A is true, how about sentence B?

Answer: no

Question: Sentence A: yes well i hope you have a nice birthday today for your son

Sentence B: I've heard that your only son's birthday is next week.

If sentence A is true, how about sentence B?

Answer: no

Question: Sentence A: Then if Boris comes, you could make some kind of signal, and I'd trail him.

Sentence B: Give me some kind of signal when Boris comes, and I'll trail him.

If sentence A is true, how about sentence B?

Answer: yes

Question: Sentence A: They were built at the very beginning of the 16th century by Sultan al-Ghuri, the last Mameluke ruler, and his mausoleum at the heart of the development is now a cultural center hosting regular performances of the Whirling Dervishes (who achieve religious ecstasy by circling around in continuous motion).

Sentence B: The mausoleum of Sultan al-Ghuri is considered a cultural wonder, attracting many tourists.

If sentence A is true, how about sentence B?

Answer:
it is not possible to tell