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 : Cory Blackwell (born March 27, 1963) is an American former professional basketball player who was selected by the Seattle SuperSonics in the 2nd round (28th overall) of the 1984 NBA Draft. 
Question : On what team is Cory Blackwell?
[A]: drafted by


[Q]: Context : Andrea Grant is a Canadian-born poet, pin-up model, comic book writer, and fashion editor based in New York City. 
Question : What was Andrea Grant's career?
[A]: occupation


[Q]: Context : Based on the TR-77-580 (Romanian-built version of the Soviet T-55 tank), the TR-85 tank was developed from 1978 to 1985 and produced from 1986 until 1990. 
Question : What year did TR-85 come into use?
[A]:
service entry