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]: A needle lined with magnets will pull north. If north is to the right and you want to go west, you'd walk (A) straight (B) left (C) backwards (D) right
[EX A]: A

[EX Q]: heat and pressure change the remains of what into natural gas? (A) leaves (B) cans (C) books (D) cars
[EX A]: A

[EX Q]: A bear that ate a watermelon will also travel during the day to several areas of the surrounding forest, which can cause? (A) food for young (B) dispersal of seed (C) bears (D) seed production
[EX A]:
B