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]: something in a cold place becomes what? (A) warmish (B) toasty (C) hot (D) chilly
[EX A]: D

[EX Q]: An example of replacing a natural resource like copper might be (A) recovering ores (B) running around (C) throwing up (D) using plastic straws
[EX A]: A

[EX Q]: If someone wants to walk towards the magnetic north pole they should (A) walk to the east (B) walk parallel to the way their compass is pointing (C) walk perpendicular to the way a compass is pointing (D) catch a bus ride
[EX A]:
B