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 : Messier 105 was discovered by Pierre Méchain on 24 March 1781, just a few days after he discovered the nearby galaxies Messier 95 and Messier 96. 
Question : Which constellation is formed by Messier 105?

Output: constellation


Input: Consider Input: Context : William MacCormac was born in Belfast, Northern Ireland, the son of Dr Henry MacCormac, a notable Northern Irish physician, and his wife Mary MacCormac (née Newsam), the daughter of a prominent Anglo-Irish family. 
Question : The year William MacCormac died was what?

Output: date of death


Input: Consider Input: Context : DesktopBSD is a Unix-derivative, desktop-oriented operating system based on FreeBSD. 
Question : The DesktopBSD is based upon what?


Output: based on