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:
This animal evolved to reproduce using protective containers instead of live little entities: (A) rhino (B) hamster (C) platypus (D) mongoose

Ex Output:
C


Ex Input:
What is the source of cooling that turns lava into land? (A) seawater (B) refrigerators (C) air conditioning (D) glaciers

Ex Output:
A


Ex Input:
Frozen steak which has been in the sun all day will (A) defrost (B) freeze (C) give birth (D) become sentient

Ex Output:

A