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: YOU GET AN "F" 
Clue: This type of cable contains threads of glass that transmit signals in the form of pulses of light
fiber optic

Category: BABY BOOMER MEMORIES 
Clue: The John Birch Society coined the term comsymp, short for this
communist sympathizer

Category: TANGO 
Clue: Drew Lachey & his partner Cheryl scored a perfect 30 doing the tango on this TV show

dancing with the stars