instruction:
In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").
question:
The national symbol for the US would most likely eat (A) roaches (B) birds (C) mosquitoes (D) salmon
answer:
D

question:
A person can inflate a beach ball using (A) a salt shaker (B) several cups (C) live bees (D) organ processed gas
answer:
D

question:
Tungsten is a metal which is found in large amounts in filaments, which are used in incandescent light bulbs. These light bulbs work because (A) light bulbs get very warm (B) filaments are able to freeze (C) the filament glows warmly (D) the filament catches fire
answer:
C