TASK DEFINITION: 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.
PROBLEM: 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?

SOLUTION: date of death

PROBLEM: Context : Devuan is a fork of the Debian Linux distribution. 
Question : The Devuan is based upon what?

SOLUTION: based on

PROBLEM: Context : Michiel van Musscher was born in Rotterdam in January 1645 and was later baptized on 27 January. 
Question : What kind of  occupation does Michiel van Musscher have?

SOLUTION:
occupation