instruction:
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").
question:
In order for trees to use sunlight they must (A) their roots (B) the light switch (C) CPR (D) respire
answer:
D


question:
Coal and oil directly removed from the ground are (A) directly consumed (B) thrown away (C) made into products (D) stored underground
answer:
C


question:
if a human-like entity was spotted breathing normally under water, it might have developed which of these to make that happen? (A) eyes for seeing things (B) wings for flying around (C) limbs for walking upright (D) special parts for underwater respiration
answer:

D