instruction:
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.
question:
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?
answer:
date of death


question:
Context : Peter Cheeseman died on 27 April 2010 of inanition and vascular dementia, after a long battle with Parkinson's disease. 
Question : What disease did Peter Cheeseman contract?
answer:
medical condition


question:
Context : Jofa, originally short for Jonssons Fabriker (Jonsson's Factories) is a maker of sporting equipment for sports such as ice hockey, bandy, and horseback riding, based in Malung, Sweden. 
Question : What company is Jofa part of?
answer:

parent company