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 Input:
Context : Li Cunxu was born in 885, at Jinyang (i.e., Taiyuan), during the reign of Emperor Zhaozong of Tang. 
Question : What is Li Cunxu's spouse's name?

Ex Output:
spouse


Ex Input:
Context : Veera Thalattu is a 1998 Tamil language film directed by Kasthuri Raja. 
Question : Whose direction is Veera Thalattu?

Ex Output:
director


Ex Input:
Context : As demand for international rail travel declined and the shipping business became almost exclusively dependent on passenger and freight vehicle traffic, the ferry business as was incorporated as Sealink UK Limited in 1978, a wholly owned subsidiary of the British Railways Board (BRB), but still as part of the Sealink consortium. 
Question : What is Sealink's parent company?

Ex Output:

parent company