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 Paveway IV entered service with the Royal Navy in 2008. 
Question : Which was the official year for the approval of Paveway IV?

Ex Output:
service entry


Ex Input:
Context : A computer game based on The Crystal Maze was developed by Digital Jellyfish Design and released in 1993 by Sherston Software for RISC OS on the Acorn Archimedes, and subsequently for the PC. 
Question : What network aired The Crystal Maze?

Ex Output:
original network


Ex Input:
Context : Unity Dow (born 23 April 1959) is a judge, human rights activist, and writer from Botswana. 
Question : Which sex is Unity Dow?

Ex Output:

sex or gender