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.

Q: Context : The show took an intense, no-nonsense look at the present-day Los Angeles Police Department's Robbery Homicide Division. 
Question : Which place does Robbery Homicide Division exist in?

A: narrative location
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Q: Context : Leon de Winter was born on 24 February 1954 in Den Bosch, in the southern Netherlands. 
Question : What was Leon de Winter's occupation?

A: occupation
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Q: Context : The Buk-1 was adopted into service in 1978 following completion of state trials, while the complete Buk missile system was accepted into service in 1980 after state trials took place between 1977 and 1979. 
Question : Which was the official year for the approval of Buk missile system?

A:
service entry
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