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 of the following items can perform photosynthesis? (A) a flying wasp (B) a speedy cheetah (C) wet dirt (D) a yellow tulip
[EX A]: D

[EX Q]: A bird in an arid place can find water, despite a lack of puddles, lakes or rainfall if it (A) pokes a tough plant (B) eats a small stone (C) takes out a loan (D) cries for a minute
[EX A]: A

[EX Q]: Air is considered to be a vehicle for..? (A) Light (B) Wind (C) Speed (D) Sound
[EX A]:
D