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 : Red Kimono on the Roof is a matter-of-fact depiction of a woman in a vibrant red wrap hanging laundry on a New York roof, clothespin in her mouth. 
Question : What is the name of the place where Red Kimono on the Roof can be found?

A: collection
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Q: Context : Henry J. Muller, Jr. (born 1917) is a retired American soldier who served during World War II in the United States Army with the 11th Airborne Division between 1944 and 1945. 
Question : What war or battle involved Henry J. Muller?

A: conflict
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Q: Context : Alternate names include Ruhrstahl SD 1400 X, Kramer X-1, PC 1400X or FX 1400 (the latter, along with the unguided PC 1400 ordnance's Fritz nickname, is the origin for the name ``Fritz X''). 
Question : What year did Fritz X come into use?

A:
service entry
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