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: TRAVEL INDIANAPOLIS 
Clue: Union Station has a hotel that features these sleeping cars converted into hotel suites

Output: pullman cars


Input: Consider Input: Category: YOU NEED THERAPY 
Clue: In the hyperbaric type of this "therapy", the patient inhales the pure gas in a large chamber

Output: oxygen


Input: Consider Input: Category: WOMEN OF THE WORLD 
Clue: Under 5 feet tall & all of about 90 pounds, this frail French chanteuse was nicknamed the "Little Sparrow"


Output: piaf