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 : Hans von Freden was born on 18 March 1892 in Berlin. 
Question : In which war did Hans von Freden fought?
[EX A]: conflict

[EX Q]: Context : NGC 147 is a member of the Local group of galaxies and a satellite galaxy of the Andromeda Galaxy (M31). 
Question : The star NGC 147 is a part of the constellation named what?
[EX A]: constellation

[EX Q]: Context : The Bill was the longest-running police procedural television series in the United Kingdom until its cancellation, and was among the longest running of any British television series. 
Question : What network did The Bill originally appear on?
[EX A]:
original network