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.

[Q]: Context : Hans von Freden was born on 18 March 1892 in Berlin. 
Question : Which war was Hans von Freden in?
[A]: conflict


[Q]: Context : William de St Croix was educated at Eton and St John's College, Cambridge, graduating in 1843. 
Question : What university did William de St Croix attend?
[A]: educated at


[Q]: Context : The original film score for Infernal Affairs was written and performed by Chan Kwong-wing. 
Question : Which place is Infernal Affairs in?
[A]:
narrative location