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.

Example Input: Context : Wolfgang Kretzschmar (2 July 1907 -- 27 December 1944) was a German officer serving during World War II and recipient of the coveted Knight's Cross of the Iron Cross with Oak Leaves and Swords (German: Ritterkreuz des Eisernen Kreuzes mit Eichenlaub und Schwertern). 
Question : In which war did Wolfgang Kretzschmar serve?
Example Output: conflict

Example Input: Context : Petteri Nummelin started playing ice hockey in his hometown Turku and played for a-junior team of TPS for 3 seasons after which he played for Kiekko-67 in the 1. 
Question : On what team is Petteri Nummelin?
Example Output: drafted by

Example Input: Context : China Southwest Airlines Flight 4146 was an Ilyushin Il-18 that crashed near Chongqing, China on 18 January 1988 with the loss of all 108 passengers and crew. 
Question : The date of China Southwest Airlines Flight 4146 was what?
Example Output:
point in time