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.
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Question: Context : Vice-Admiral William Lechmere died at Hill House, Steeple Aston, Oxfordshire on 12 December 1815 at the age of 63. 
Question : To which branch did William Lechmere belong?

Answer: military branch


Question: Context : Designated MA-31 in US service, the first launch of the missile took place in August 1996. 
Question : In which year was the service entry date for MA-31?

Answer: service entry


Question: Context : Deux Nus (Two Nudes, Two Women and Dones en un paisatge) is an early Cubist painting by the French artist and theorist Jean Metzinger. 
Question : What is the name of the place where Deux Nus can be found?

Answer:
collection