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.

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?
military branch

Context : Directed by Tom Cherones, ``The Ex-Girlfriend'' was the first episode of the show filmed at CBS Studio Center in Los Angeles, California, the previous season having been filmed at Desilu Cahuenga in Hollywood. 
Question : What series is The Ex-Girlfriend from?
series

Context : ``The President of the United States of America, in the name of Congress, takes pleasure in presenting the Medal of Honor to First Lieutenant John W. Blunt, United States Army, for extraordinary heroism on 19 October 1864, while serving with Company K, 6th New York Cavalry, in action at Cedar Creek, Virginia. First Lieutenant Blunt voluntarily led a charge across a narrow bridge over the creek, against the lines of the enemy.'' 
Question : In which war did John W. Blunt participate?

conflict