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:
Which of the following is correct? (A) The earth's strong gravitational pull causes a waxing gibbous to form (B) astrology causes a waxing gibbous to form (C) star maps cause a waxing gibbous to form (D) government satellites cause a waxing gibbous to form

Ex Output:
A


Ex Input:
Standing on a plastic tote will (A) vaporize it (B) deform it (C) levitate it (D) melt it

Ex Output:
B


Ex Input:
Something that died millions of years ago can still be relevant (A) because we drive cars (B) because they are in our memories (C) because we still see them (D) because we miss them

Ex Output:

A