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 : The GER Class G69 was a class of twenty 2-4-2T steam locomotives built by for the Great Eastern Railway by S. D. Holden in 1911--12 following the design of two rebuilt examples of the GER Class M15 designed by James Holden, his father in 1904. 
Question : What was the year GER Class G69 entered service?

Ex Output:
service entry


Ex Input:
Context : Hunter Marshall III was born in Charlotte, North Carolina, on October 6, 1917. 
Question : Which entity was Hunter Marshall III a part of?

Ex Output:
military branch


Ex Input:
Context : Stelvio Rosi (born 1 August 1938), also known as Stan Cooper, is an Italian former film actor. 
Question : What was Stelvio Rosi's occupation?

Ex Output:

occupation