Definition: 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'.

Positive Example 1 -
Input: What country has borders with Libya, Sudan and Israel?
Output: location

Positive Example 2 -
Input: What child actress delighted audiences in Curly Top and Heidi?
Output: film

Negative Example 1 -
Input: Actor Jack Nicholson won his first Best Actor Oscar for which film?
Output: film

Negative Example 2 -
Input: Which famous novel was written in 1877 by Anna Sewell as a protest against cruelty to horses?
Output: anna sewell

Now complete the following example -
Input: The longest running television series ever, November 6, 1947 saw the debut of what now weekly news program, now hosted by David Gregory, following the unfortunante sudden death of host Tim Russert?
Output: 

tv