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.

Q: 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?

A: constellation
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Q: Context : Danielle Mitterrand (born Danielle Émilienne Isabelle Gouze; 29 October 1924 -- 22 November 2011) was the wife of French President François Mitterrand, and president of the foundation France Libertés Fondation Danielle Mitterrand. 
Question : What is Danielle Mitterrand's spouse's name?

A: spouse
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Q: Context : Perceval Gibbon was a friend to the writer Joseph Conrad, and dedicated his book ``Flower o' the Peach'' to Joseph Conrad and Jessie Conrad. 
Question : Which military branch is Perceval Gibbon a part of?

A:
military branch
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