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.
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Question: Category: VIDEO GAME HISTORY
Clue: id Software says hardcore PC games went mainstream in 1994 when it unleashed this fatal-sounding game

Answer: doom

Question: Category: NOW THAT'S INVENTIVE!
Clue: Famous for his jet, he also invented the automobile radio for the company that became Motorola

Answer: lear

Question: Category: HAPPY 50th NASA
Clue: NASA took up JFK's 1961 challenge to do this by decade's end & met it with 5 months to spare

Answer:
put a man on the moon