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.

Context : John Hunt Morgan was born in Huntsville, Alabama, the eldest of ten children of Calvin and Henrietta (Hunt) Morgan. 
Question : In which war did John Hunt Morgan fight?
conflict

Context : In cryptography, the IDEA NXT algorithm (previously known as FOX) is a block cipher designed by Pascal Junod and Serge Vaudenay of EPFL (Lausanne, Switzerland). 
Question : Which is the basis of IDEA NXT?
based on

Context : John William Bowden (21 February 1798 -- 15 September 1844) was an English functionary and writer on church matters. 
Question : On what date did John William Bowden expire?

date of death