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.

Ex Input:
Context : General Sir Francis Seymour, 1st Baronet, GCB (2 August 1813, Lisburn, County Down -- 10 July 1890, Kensington Palace, London) was a British Army officer and courtier. 
Question : What was the military branch for Sir Francis Seymour, 1st Baronet?

Ex Output:
military branch


Ex Input:
Context : The RPG-16 was developed in 1968, and adopted by the Soviet Army in 1970 for special operation teams and the Soviet airborne troops (VDV). 
Question : What year was RPG-16 commissioned?

Ex Output:
service entry


Ex Input:
Context : Design started in the late 1970s at the Molniya design bureau in Ukraine on what would be their only air-to-ground munition, but when they moved exclusively to space work Vympel took over development of the Kh-29. 
Question : Which was the official year for the approval of Kh-29?

Ex Output:

service entry