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 Input:
Though fossil fuels and their byproducts will eventually be used up completely, we'll still have (A) gasoline (B) coal (C) plastics (D) light from stars

Ex Output:
D


Ex Input:
A rock may be used as a shelter by a (A) chicken (B) spider (C) giant squid (D) deer

Ex Output:
B


Ex Input:
If a bird has a larger beak than its friends, it likely had (A) mother without a beak (B) father with a long trunk (C) parents with smaller beaks (D) ancestors with similar beaks

Ex Output:

D