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").

Input: Consider Input: Northern countries have extensive erosion due to (A) glacial liquification (B) cola mining (C) more frequent tornadoes (D) meteors

Output: A


Input: Consider Input: Jenny was outside facing her house holding a compass. The needle of the compass was facing her house. Staying in one place she turned around and around, stopping several times. She noticed that whichever way she faced (A) the compass's needle was facing straight ahead (B) the compass's needle was facing the house (C) the compass's needle was facing her back (D) the compass's needle was facing the west

Output: B


Input: Consider Input: In order for food to keep safely, chemicals are used on them. This makes them what? (A) be saltier (B) longer lasting (C) grow faster (D) taste sweeter


Output: B