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 : Norway - Upgraded to NASAMS 2. 
Question : Which was the official year for the approval of NASAMS?

Ex Output:
service entry


Ex Input:
Context : Ronald Stacey King (born January 29, 1967) is an American former NBA center who won three consecutive championships with the Chicago Bulls from 1991 to 1993. 
Question : What team does Stacey King belong to?

Ex Output:
drafted by


Ex Input:
Context : Albert Johnson Walker (born 1946) is a Canadian criminal serving a prison term for embezzlement and murder. 
Question : For what crime was Albert Johnson Walker prosecuted?

Ex Output:

convicted of