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.

Input: Consider Input: Category: LARGE EQUIPMENT 
Clue: For smooth travel, ballast tampers & ballast regulators keep the gravel at the right level among these

Output: railroad tracks


Input: Consider Input: Category: GOING WIRELESS 
Clue: Thanks to firms like Pegaso & Telemex, this country now has more cellular users than fixed line customers

Output: mexico


Input: Consider Input: Category: STUPID ANSWERS 
Clue: It's the one-word title of the state song of Alabama


Output: "alabama"