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.

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


[Q]: Context : The title The World Is Not Enough is an English translation of the Latin phrase Orbis non sufficit, which in real life was the motto of Sir Thomas Bond. 
Question : What series is the episode The World Is Not Enough part of?
[A]: series


[Q]: Context : The title of the novel was adopted by the progressive metal band The Great Airport Mystery, whose album The Great Spaceport Mystery was released May 7, 2013. 
Question : What series is The Great Airport Mystery in?
[A]:
series