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 : Huo Cui (Chinese: 霍翠; pinyin: Huò Cuì; born September 13, 1988 in Harbin, Heilongjiang) is a Chinese female ice hockey player. 
Question : What is the sex or gender of Huo Cui?

Ex Output:
sex or gender


Ex Input:
Context : In cryptography, the IDEA NXT algorithm (previously known as FOX) is a block cipher designed by Pascal Junod and Serge Vaudenay of EPFL (Lausanne, Switzerland). 
Question : Which is the basis of IDEA NXT?

Ex Output:
based on


Ex Input:
Context : The Duel After the Masquerade is a painting by the French artist Jean-Léon Gérôme, currently part of The Walters Art Museum collection. 
Question : What is the name of the place where The Duel After the Masquerade can be found?

Ex Output:

collection