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 : A graduate of Oberlin College and the Iowa Writers' Workshop where she was a Teaching/Writing Fellow in Poetry, Lia Purpura is currently Writer-in-Residence at University of Maryland, Baltimore County in Baltimore, Maryland. 
Question : Which award was bestowed upon Lia Purpura?

Ex Output:
award received


Ex Input:
Context : Cadbury is headquartered in Uxbridge, Greater London and operates in more than fifty countries worldwide. 
Question : Which company is the parent company of Cadbury?

Ex Output:
parent company


Ex Input:
Context : The weapon still fires 5.45×39mm ammunition from 30-round magazines at an approximate rate of fire of 600 to 650 rounds per minute, the barrel length remains the same and the muzzle brake has been retained, which suggests that the Vepr's ballistic performance should be identical to that of the AK-74. 
Question : In which year was the service entry date for Vepr?

Ex Output:

service entry