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]: which form of transportation has zero emissions? (A) motorbikes (B) speed boats (C) hybrid cars (D) pedal bikes
[A]: D


[Q]: Which two forces are likely the cause of canyons? (A) water plus fire (B) fire and brimstone (C) water plus gravity (D) H20 and lemmings
[A]: C


[Q]: Changes to the earth can be done as a result of (A) high temps (B) mild weather (C) large storms (D) snowing clouds
[A]:
A