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").

[Q]: Which of these objects could combust (A) Seashells (B) Grass (C) A cat (D) A paint can
[A]: D


[Q]: Which is competition? (A) a giraffe eats the highest leaves (B) a bear takes a salmon from the stream (C) a shark eats a tuna that an orca was hunting (D) a slug eats a blade of grass
[A]: C


[Q]: What contributes more, though less than some believe, to the lung damage caused by smoking? (A) smoking less (B) switching to chewing (C) no filters (D) switching to e-cigs
[A]:
C