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.

Input: Consider Input: Context : Wolf-Dietrich Wilcke (11 March 1913 -- 23 March 1944) was a German Luftwaffe pilot during World War II, a fighter ace credited with 162 enemy aircraft shot down in 732 combat missions. 
Question : Which war did Wolf-Dietrich Wilcke serve in?

Output: conflict


Input: Consider Input: Context : Brad Whitaker is a fictional character in the James Bond film The Living Daylights. 
Question : What disease did Brad Whitaker suffer from?

Output: medical condition


Input: Consider Input: Context : In November 1974, British Airways Flight 870 was hijacked shortly after take-off from Dubai for London Heathrow, The Vickers VC10 landed at Tripoli for refuelling before flying on to Tunis. 
Question : What company is British Airways part of?


Output: parent company