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 Tiger II was under-powered, like many other heavy tanks of World War II, and consumed a lot of fuel, which was in short supply for the Germans. 
Question : In what year did Tiger II enter service?

Ex Output:
service entry


Ex Input:
Context : David Parkinson of Radio Times rated Storm Catcher, 1/5 stars and wrote, ``Faced with a minuscule budget, a few feet of stock aerial footage and a script with dialogue that amounts to an aural assault, director Anthony Hickox has done well to produce a film that's only as bad as this one.'' 
Question : Which place does Storm Catcher exist in?

Ex Output:
narrative location


Ex Input:
Context : The Ampulomet (Russian: 125-мм ампуломёт образца 1941 года, also rendered Ampulomyot, ampulla mortar, etc., lit. ``ampule/vial thrower'' cf. миномёт) was an expedient anti-tank weapon which launched a 125mm incendiary projectile made of spherical glass. 
Question : What year was Ampulomet made?

Ex Output:

service entry