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.
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Question: Context : The AK-63 (also known in Hungarian military service as the AMM) is a Hungarian variant of the AKM assault rifle manufactured by the Fegyver- és Gépgyár (FÉG) state arms plant in Hungary. 
Question : What year did AK-63 come into use?

Answer: service entry


Question: Context : The Queen's Own Highlanders (Seaforth and Camerons), officially abbreviated ``QO HLDRS,'' was an infantry regiment of the British Army, part of the Scottish Division. 
Question : What army did Queen's Own Highlanders (Seaforth and Camerons) serve in?

Answer: military branch


Question: Context : Albertsons (655 locations in Arizona, Northern California, Colorado, Florida, Louisiana, New Mexico, Oklahoma, Texas, and Wyoming - Albertsons LLC) County Line Liquors (1 location) Grocery Warehouse (1 location) Jewel-Osco (2 locations) Max Foods (2 locations) Super Saver Foods (23 locations, 21 closed in late 2006) 
Question : Which company is the parent company of Albertsons?

Answer:
parent company