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 : Since 1998, GSD&M has been part of the Omnicom Group. 
Question : Which company is the parent company of GSD&M?

Ex Output:
parent company


Ex Input:
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?

Ex Output:
spouse


Ex Input:
Context : Tostão was an intelligent forward. 
Question : What city is Tostão associated with?

Ex Output:

residence