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 : The United Defense M42, sometimes known as the Marlin for the manufacturer, was an American submachine gun in World War II. It was produced from 1942 to 1943 by United Defense Supply Corp. (a government-formed company specifically tasked with weapons development) for possible issue as a replacement for the Thompson submachine gun and was used by agents of the Office of Strategic Services (OSS). 
Question : In what year did United Defense M42 enter service?

Ex Output:
service entry


Ex Input:
Context : Under the name Michael Abdul Malik, Michael X was the author of From Michael Freitas to Michael X (André Deutsch, 1968). 
Question : Which crime Michael X is considered to have commited?

Ex Output:
convicted of


Ex Input:
Context : Yu Hiu Tung (Chinese: 余曉東; pinyin: Yú Xiǎodōng; Jyutping: jyu4 hiu2 dung1; born 5 February 1984) is a professional tennis player from Hong Kong. 
Question : What city is Yu Hiu Tung from?

Ex Output:

residence