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 : Des racines et des ailes is a French television documentary series created by Patrick de Carolis and Patrick Charles in 1997. 
Question : Where network aired Des racines et des ailes?
Example Output: original network

Example Input: Context : John David Duty (April 25, 1952 -- December 16, 2010) was an American who was executed in Oklahoma for first-degree murder. 
Question : For what crime was John David Duty prosecuted?
Example Output: convicted of

Example Input: Context : The Samozaryadnaya Vintovka Tokareva, Obrazets 1940 goda (``Tokarev Self-loading Rifle, Model of 1940'', Russian: Самозарядная винтовка Токарева, образец 1940 года) or SVT-40 is a Soviet semi-automatic battle rifle. 
Question : What was the year that SVT-40 entered service?
Example Output:
service entry