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 : Stalk of the Celery Monster is a 1979 short animated film written, directed and animated entirely in pencil by Tim Burton during his time as a student with the California Institute of the Arts. 
Question : What production company was involved in Stalk of the Celery Monster?
answer:
production company


question:
Context : Bernard Rubin (6 December 1896 -- 27 June 1936) was an Australian born racing driver and pilot who was a member of the ``Bentley Boys'' team at the Bentley Motor Company and winner of the 1928 24 Hours of Le Mans. 
Question : What medical condition does Bernard Rubin have?
answer:
medical condition


question:
Context : Bell Mobility is a Canadian CDMA, LTE and HSPA+ based wireless network (named Bell Cellular until 1993) and the division of Bell Canada which sells wireless services across Canada. 
Question : What company is Bell Mobility part of?
answer:

parent company