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 : Filmed primarily in Canada with a Canadian director (Ted Kotcheff), Switching Channels features many popular Canadian character actors in supporting roles: 
Question : The Switching Channels is based upon what?
[EX A]: based on

[EX Q]: Context : James Mitchell Varnum was born in Dracut, Massachusetts. 
Question : What military organization did James Mitchell Varnum belong to?
[EX A]: military branch

[EX Q]: Context : Chasing Liberty is a 2004 American romantic comedy film directed by Andy Cadiff and starring Mandy Moore and Matthew Goode. 
Question : Which place does Chasing Liberty exist in?
[EX A]:
narrative location