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 : Oliver Otis Howard (November 8, 1830 -- October 26, 1909) was a career United States Army officer and a Union general in the American Civil War. 
Question : In which war/battle did Oliver Otis Howard fight?

A: conflict
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Q: Context : Herbert Lumsden was born in the United Kingdom at Clanfield, Oxfordshire, England on 8 April 1897, the son of John Lumsden. 
Question : What military branch was Herbert Lumsden associated with?

A: military branch
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Q: Context : Born in New York, Whitney Straight was the son of Major Willard Dickerman Straight and heiress Dorothy Payne Whitney. 
Question : What armed force was Whitney Straight a part of?

A:
military branch
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