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.

[EX Q]: Context : Dušan Majdán (born 8 September 1987) is a male Slovakian racewalker. 
Question : Is Dušan Majdán a male or female?
[EX A]: sex or gender

[EX Q]: Context : An article in a Romanian newspaper in the 1950s acknowledged the death of the last direct male descendant of Radu Mihnea Voda, Dumitru Radulescu(Radu)- a church, artist painter. 
Question : What is the gender of Radu Mihnea?
[EX A]: sex or gender

[EX Q]: Context : The President of the United States of America, authorized by Act of Congress, July 2, 1926, takes pleasure in presenting the Distinguished Flying Cross to First Lieutenant (Air Corps) Richard A. Knobloch, United States Army Air Forces, for extraordinary achievement as Co-Pilot of a B-25 Bomber of the 1st Special Aviation Project (Doolittle Raider Force), while participating in a highly destructive raid on the Japanese mainland on 18 April 1942. 
Question : What military branch is Richard A. Knobloch?
[EX A]:
military branch