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 : NGC 625 is a member of the Sculptor Group. 
Question : Which was the constellation for NGC 625?

Ex Output:
constellation


Ex Input:
Context : Cadbury is headquartered in Uxbridge, Greater London and operates in more than fifty countries worldwide. 
Question : Which company is the parent company of Cadbury?

Ex Output:
parent company


Ex Input:
Context : Ian Willoughby Bazalgette, VC, DFC (19 October 1918 -- 4 August 1944) was born in Calgary, Alberta, Canada and while serving in the Royal Air Force was awarded the Victoria Cross, the highest and most prestigious award for gallantry in the face of the enemy that can be awarded to British and Commonwealth forces. 
Question : In what military branch did Ian Willoughby Bazalgette serve?

Ex Output:

military branch