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


question:
Category: IN THE TEENS 
Clue: One of these "wheelers" is a large tractor-trailer truck rig
answer:
18-wheeler


question:
Category: AMERICAN IDLE 2009 
Clue: Following a stress test, this large U.S. bank was told by regulators that it needed to raise $34 billion
answer:

bank of america