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 : NGC 625 is a member of the Sculptor Group. 
Question : Which was the constellation for NGC 625?
Example Output: constellation

Example Input: Context : Sang Penari touches on the history of communism in Indonesia, focusing on the nation's communist party spreading its ideology and the government's purge of the Communist Party's members from 1965--1966, which is thought to have killed several hundred thousand. 
Question : The Sang Penari is based upon what?
Example Output: based on

Example Input: Context : The 8×22mm Nambu is a rimless, bottleneck handgun cartridge introduced in Japan in 1904. 
Question : In which year was the service entry date for 8×22mm Nambu?
Example Output:
service entry