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 : Henry A. Thompson (1841 -- February 16, 1889) was a U.S. Marine stationed aboard the USS Minnesota during the American Civil War. 
Question : What war did Henry A. Thompson participate in?
[EX A]: conflict

[EX Q]: Context : Directed by Tom Cherones, ``The Ex-Girlfriend'' was the first episode of the show filmed at CBS Studio Center in Los Angeles, California, the previous season having been filmed at Desilu Cahuenga in Hollywood. 
Question : What series is The Ex-Girlfriend from?
[EX A]: series

[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