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").
--------
Question: When the acid spilled on the plant, the plant began to (A) smoke. (B) sing (C) flower (D) grow

Answer: A


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

Answer: A


Question: What force causes a compass in Illinois to point towards Wisconsin? (A) natural magnetism (B) wind direction (C) weight (D) gravity

Answer:
A