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]: Which process does the slate that comes from shale come from? (A) height (B) compression (C) gravity (D) steel
[EX A]: B

[EX Q]: A burrito needs to be cooked so it (A) has heat removed (B) is made hollow (C) is burned black (D) has heat applied
[EX A]: D

[EX Q]: Glass can become a liquid if (A) it is baked (B) it is frozen (C) it is dampened (D) it is dyed
[EX A]:
A