TASK DEFINITION: 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.
PROBLEM: Context : Due to the fact that Mainz Cathedral lay partially in ruins St. Peter's was chosen for the inauguration of bishop Joseph Ludwig Colmar in 1803. 
Question : When did Joseph Ludwig Colmar die?

SOLUTION: date of death

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

SOLUTION: service entry

PROBLEM: Context : The Great Masturbator (1929) is a painting by Salvador Dalí executed during the surrealist epoch, and is currently displayed at Museo Nacional Centro de Arte Reina Sofía, Madrid. 
Question : What is the name of the place where The Great Masturbator can be found?

SOLUTION:
collection