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.

Input: Consider Input: Context : Norway - Upgraded to NASAMS 2. 
Question : Which was the official year for the approval of NASAMS?

Output: service entry


Input: Consider Input: Context : Erik Bruhn died in Toronto General Hospital on 1 April 1986 at the age of 57. 
Question : What sex is Erik Bruhn?

Output: sex or gender


Input: Consider Input: Context : Messier 3 is located 31.6 kly (9.7 kpc) above the Galactic plane and roughly 38.8 kly (11.9 kpc) from the center of the Milky Way. 
Question : What is the name of the constellation where Messier 3 belongs?


Output: constellation