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 : The Queen's Own Highlanders (Seaforth and Camerons), officially abbreviated ``QO HLDRS,'' was an infantry regiment of the British Army, part of the Scottish Division. 
Question : What army did Queen's Own Highlanders (Seaforth and Camerons) serve in?

Ex Output:
military branch


Ex Input:
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 Output:
collection


Ex Input:
Context : NGC 6397 is one of the at least 20 globular clusters of our Milky Way Galaxy that have undergone a core collapse, meaning that the core has contracted to a very dense stellar agglomeration. 
Question : In which constellation is NGC 6397?

Ex Output:

constellation