instruction:
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.
question:
Context : Blackadder Goes Forth is the fourth and final series of the BBC sitcom Blackadder, written by Richard Curtis and Ben Elton, which aired from 28 September to 2 November 1989 on BBC One. 
Question : Where can you find the show Blackadder Goes Forth?
answer:
original network


question:
Context : LOT Charters launched flight operations on 1 June 2009. 
Question : What is LOT Charters's parent company?
answer:
parent company


question:
Context : Wang Yuanji (217--268) was the wife of Sima Zhao, a regent of the state of Cao Wei in the Three Kingdoms period. 
Question : What is Wang Yuanji's spouse's name?
answer:

spouse