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.
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Question: Context : Ken Liu (born 1976) is an American science-fiction and fantasy writer, poet, lawyer, and computer programmer. 
Question : Which award was honoured to Ken Liu?

Answer: award received


Question: Context : The RPG-16 was developed in 1968, and adopted by the Soviet Army in 1970 for special operation teams and the Soviet airborne troops (VDV). 
Question : What year was RPG-16 commissioned?

Answer: service entry


Question: Context : Ellen Arnstad (born 20 September 1965) is a Norwegian magazine editor. 
Question : What was Ellen Arnstad's career?

Answer:
occupation