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 : Greta Knutson or Knutson-Tzara (also known as Greta Knutson; 1899--1983) was a Swedish modernist visual artist, art critic, short story writer and poet. 
Question : What was the date of death of Greta Knutson?

Ex Output:
date of death


Ex Input:
Context : Alda Merini (21 March 1931 -- 1 November 2009) was an Italian writer and poet. 
Question : What was Alda Merini's gender?

Ex Output:
sex or gender


Ex Input:
Context : Oi Yoi Yoi is a 1963 oil painting by British painter Roger Hilton. 
Question : What is the name of the place where Oi Yoi Yoi can be found?

Ex Output:

collection