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 is a byproduct of a lightbulb? (A) taste (B) death (C) warmth (D) sound
[EX A]: C

[EX Q]: Solar energy is adsorbed by (A) planted flowers under the moonlight (B) potted flowers in a windowless room (C) planted flowers on a bright, clear day (D) seeds that have just been planted in the ground
[EX A]: C

[EX Q]: Two bears, one weighing 200 pounds and another weighing 150 pounds are about to enter winter. The bear with the most weight will be (A) better able to fly (B) more likely to starve (C) better suited to survive (D) more likely to hurt
[EX A]:
C