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:
If someone wants to use a natural gas in order to assist something necessary, they can (A) use it to bathe in (B) eat it to die quickly (C) freeze it to make ice cubes (D) ignite it to warm their body

Ex Output:
D


Ex Input:
Oil platforms originating from a number of oceanic placements can be related to an unintentional release of what? (A) oil pumps (B) nuclear fission (C) biological created fuel (D) solar energy

Ex Output:
C


Ex Input:
Lodestones sharply yank metal nails because of (A) allure (B) corrosion (C) irritation (D) evasion

Ex Output:

A