Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.

Q: Context : America Tang is a business entrepreneur, a singer and a philanthropist. 
Question : What city is America Tang from?

A: residence
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Q: Context : Theta Circini (t Cir), is a star located in the constellation Circinus. 
Question : The star Theta Circini is part of the constellation known as what?

A: constellation
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Q: Context : Armored vehicles designed specifically to counter the land mine threat were first used during the Rhodesian Bush War; the technology subsequently matured with the development of the South African-designed Casspir armored fighting vehicle, which inspired the United States MRAP program and was the basis for some of the program's vehicles. 
Question : What was the year MRAP entered service?

A:
service entry
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