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.

Example Input: Context : The French police continued to use the MAS-38 after World War II until it was replaced in the 1950s by the MAT-49 submachine gun. 
Question : Which was the official year for the approval of MAS-38?
Example Output: service entry

Example Input: Context : Hiram Burnham (1814 -- September 29, 1864) was an officer in the Union Army who commanded a regiment and then a brigade in the Eastern Theater of the American Civil War. 
Question : What military organization did Hiram Burnham belong to?
Example Output: military branch

Example Input: Context : Ernst Põdder VR I/1 (February 10, 1879 Aleksandri Parish, Võrumaa, Estonia - June 24, 1932 Tallinn, Estonia) was a famous Estonian military commander in the Estonian War of Independence. 
Question : What conflict involved Ernst Põdder?
Example Output:
conflict