TASK DEFINITION: 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.
PROBLEM: Context : Karl-Heinz Krahl (25 September 1914 -- 14 April 1942) was a German Luftwaffe ace and recipient of the Knight's Cross of the Iron Cross during World War II. The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership. 
Question : Which award did Karl-Heinz Krahl get?

SOLUTION: award received

PROBLEM: Context : Gerhard Mokros (18 March 1909 -- 3 April 1996) was a highly decorated Oberst of the Reserves in the Wehrmacht during World War II. He was also a recipient of the Knight's Cross of the Iron Cross with Oak Leaves. 
Question : Which award did Gerhard Mokros get?

SOLUTION: award received

PROBLEM: Context : Vizefeldwebel Erich Buder (14 January 1896 -- 24 May 1975) was a World War I flying ace credited with twelve aerial victories. 
Question : In which war/battle did Erich Buder fight?

SOLUTION:
conflict