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: BUSINESS & INDUSTRY 
Clue: This stagecoach company owned the Pony Express during the last few months of its existence

Output: wells fargo


Input: Consider Input: Category: HEIR CONDITIONING 
Clue: 37-year-old Reza Pahlevi is the exiled heir to this country's "Peacock Throne"

Output: iran


Input: Consider Input: Category: 1968 
Clue: South-of-the-border setting of the '68 Olympics


Output: mexico city