TASK DEFINITION: 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").
PROBLEM: This can be used to light up a light bulb (A) grass (B) dirt (C) stones. (D) biofuel

SOLUTION: D

PROBLEM: A kitten in a hot environment has little to zero ability to (A) take a short nap (B) be very warmed up (C) adjust its internal temperature (D) lap up some water

SOLUTION: C

PROBLEM: If a bucket of water from the sea is left out in the sun for long enough, all that will eventually remain in the bucket is (A) lava (B) chips (C) sodium (D) grapes

SOLUTION:
C