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 : 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?
Example Output: service entry

Example Input: Context : While Robin searches for her 'Something Old', Lily and Marshall prepare for their 'Something New' by packing up for their move to Italy. 
Question : What is the series that Something Old is a part of?
Example Output: series

Example Input: Context : The 106th Regiment of Foot (Black Musqueteers) was an infantry regiment of the British Army from 1761 to 1763. 
Question : What armed force was 106th Regiment of Foot (Black Musqueteers) in?
Example Output:
military branch