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]: the mantle is (A) a level of our planet (B) the planet closest to ours (C) a kind of rock found on Earth (D) the deepest part of our planet
[A]: A


[Q]: Humming birds may help the growth of (A) cars (B) buildings (C) ants (D) tulips
[A]: D


[Q]: Neodymium can hold a car without being in it's (A) proximity (B) relocation services (C) talking (D) seeing each other
[A]:
A