You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For consistency, answers should be in all lower cased letters.

Category: PRESIDENTIAL PETS 
Clue: Charlie, one of the Kennedys' dogs, was a distant offspring of the dog that played this role in "The Thin Man"
asta

Category: BRONX CHEER 
Clue: It's where you can explore Jungle World & the Himalayan Highlands without ever leaving New York
bronx zoo

Category: TOOLS OF THE WRITER'S TRADE 
Clue: In 2009 this, on which Cormac McCarthy produced 5 million words, sold for over $250,000 at auction

a typewriter