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 Q]: Context : In a poll taken in the winter of 1909-1910, Baltimoreans were asked to identify their fifty-five favorite works of art and The Duel After the Masquerade topped the list. 
Question : What is the name of the place where The Duel After the Masquerade can be found?
[EX A]: collection

[EX Q]: Context : ISO 3166-2:KH is the entry for Cambodia in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. 
Question : Who set the standards for ISO 3166-2:KH?
[EX A]: standards body

[EX Q]: Context : Studies of her lesser-known works, such as the travel book Rambles in Germany and Italy (1844) and the biographical articles for Dionysius Lardner's Cabinet Cyclopaedia (1829--46), support the growing view that Mary Shelley remained a political radical throughout her life. 
Question : What city is Mary Shelley associated with?
[EX A]:
residence