Given a trivia question, classify broad topical category from this list: 'theater', 'geology', 'book', 'tv', 'astronomy', 'aviation', 'military', 'government', 'boxing', 'projects', 'metropolitan_transit', 'law', 'venture_capital', 'broadcast', 'biology', 'people', 'influence', 'baseball', 'spaceflight', 'media_common', 'cvg', 'opera', 'olympics', 'chemistry', 'visual_art', 'conferences', 'sports', 'language', 'travel', 'location', 'award', 'dining', 'martial_arts', 'comic_strips', 'computer', 'user', 'tennis', 'music', 'organization', 'food', 'event', 'transportation', 'fictional_universe', 'measurement_unit', 'meteorology', 'distilled_spirits', 'symbols', 'architecture', 'freebase', 'internet', 'fashion', 'boats', 'cricket', 'film', 'medicine', 'finance', 'comic_books', 'celebrities', 'soccer', 'games', 'time', 'geography', 'interests', 'common', 'base', 'business', 'periodicals', 'royalty', 'education', 'type', 'religion', 'automotive', 'exhibitions'.

Ex Input:
What Irish boyband formed in 1998 by Nicky Byrne, Kian Egan, Mark Feehily, Shane Filan and Brian McFadden became the 3rd biggest selling pop band worldwide and biggest selling band of 2000-2009, with 14 number 1 singles in the UK?

Ex Output:
music


Ex Input:
What nationality was the composer Bela Bartok?

Ex Output:
people


Ex Input:
Which 32 mile canal runs from the Bridgewater canal in Manchester to join the Aire and Calder Navigation Canal at Sowerby Bridge in Yorkshire, passing through the town that gives the canal its name?

Ex Output:

base