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.

[Q]: Category: "F"
Clue: One may be electric or alluvial; that's cool
[A]: a fan

[Q]: Category: LARGE EQUIPMENT
Clue: For smooth travel, ballast tampers & ballast regulators keep the gravel at the right level among these
[A]: railroad tracks

[Q]: Category: ROLLING STONE'S 20 MOST ANNOYING SONGS
Clue: "Life is brilliant" & sure, your "love is pure", but let's be blunt, James: this "pretty" song of yours is on the list
[A]:
"you're beautiful"