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 simplicity, answers should be in all lower cased letters.

Category: BACK TO BUSINESS 
Clue: No-contract & pay as you go plans are selling points of this cell phone company started by Sir Richard Branson
virgin mobile

Category: STUPID SHOW BIZ ANSWERS 
Clue: It was the title of the last big-screen remake of "Beau Geste", released in 1977
the last remake of beau geste

Category: U.S. NATIONAL PARKS 
Clue: Located in these hills, South Dakota's Wind Cave National Park features a cavern with reversible winds

black hills