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.

Context : Since 1998, GSD&M has been part of the Omnicom Group. 
Question : Which company is the parent company of GSD&M?
parent company

Context : Virtually all battles that are considered part of the 'Battle of the Border' (with the exception of the Battle of Hel, which lasted for more than a month and the Battle of Mokra, a Polish defensive victory) resulted in rapid defeat of Polish forces, which were forced to abandon the regions of Pomerania, Greater Poland and Silesia. 
Question : When did Battle of the Border occur?
point in time

Context : Darwin McCutcheon (born April 19, 1962) is a retired Canadian professional ice hockey defenceman who played in one National Hockey League game for the Toronto Maple Leafs during the 1981--82 NHL season. 
Question : What team did Darwin McCutcheon play for?

drafted by