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").

[Q]: Quartz can very easily damage (A) smelted silica (B) granite (C) diamonds (D) steel
[A]: A


[Q]: A person can find a sparrow's home by (A) looking at its face (B) looking at a detailed map (C) seeing where it was born (D) noting where it frequently consumes
[A]: D


[Q]: Seconds are used to measure (A) height (B) passing of time (C) time of day (D) seconds of food
[A]:
B