[Q]: Sentence: Revitalization began in the 1990s, with gentrification turning around many neighborhoods and reversing its decades-long trend of population loss. Question: Where did wealthy residents move?
++++++++++
[A]: no

[Q]: Sentence: By 1647, the company had 23 factories, each under the command of a factor or master merchant and governor if so chosen, and 90 employees in India. Question: who commanded the factories owned by the East India company?
++++++++++
[A]: yes

[Q]: Sentence: The ultimate Han victory in these wars eventually forced the Xiongnu to accept vassal status as Han tributaries. Question: In what year did Emperor Wu of Han's reign end?
++++++++++
[A]:
no