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").

[EX Q]: If one mineral can scratch another mineral then that other mineral is softer than that one mineral, as can be tested with (A) a diamond and steel (B) a rock and glass (C) a diamond and agate (D) a ruby and salt
[EX A]: C

[EX Q]: A boy that has two legs and two arms has parents that have (A) nearly an arm and a leg (B) the same number limbs (C) their left arms only (D) one right leg each
[EX A]: B

[EX Q]: A bunch of seals are about to deliver and need to make sure they have returned to home for (A) positive feedback (B) silly nonsense (C) magical purposes (D) reproductive behavior
[EX A]:
D