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.

Context : On 4 November 2010, Qantas Flight 32, an Airbus A380 registered VH-OQA, fitted with four Trent 972 engines manufactured by Rolls-Royce, suffered an uncontained turbine disc failure of its left inboard engine shortly after taking off from Singapore Changi Airport en route to Sydney. 
Question : What is Qantas's parent company?
parent company

Context : The Tiger II was under-powered, like many other heavy tanks of World War II, and consumed a lot of fuel, which was in short supply for the Germans. 
Question : In what year did Tiger II enter service?
service entry

Context : Karl Gunnar Malmquist (21 February 1893 -- 27 June 1982) was a Swedish astronomer. 
Question : What is the name of university that educated Gunnar Malmquist?

educated at