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.

Example Input: Context : Giorgio Pessi was born on 17 November 1891 in Trieste, when it was part of the Austro-Hungarian Empire. 
Question : In what war did Giorgio Pessi fight in?
Example Output: conflict

Example 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?
Example Output: service entry

Example Input: Context : Birgir Björn Pétursson (born January 24, 1986 in Iceland) is an Icelandic professional basketball player who currently plays for UBC Münster in Germany. 
Question : What kind of  occupation does Birgir Björn Pétursson have?
Example Output:
occupation