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: The cultivation of a range of crop types in a specific order has a positive impact on (A) soil quality (B) water quality (C) air quality (D) atmospheric conditions

Output: A


Input: Consider Input: Which of the following, when plugged into an outlet, completes a circuit? (A) gold (B) glass (C) plastic (D) rubber

Output: A


Input: Consider Input: A lot of people think that volcanoes may only exist in tall mountains that tower above us, but a lot of volcanoes (A) fall into the oceans (B) are water leaking volcanoes (C) erupt into the sea (D) are found and erupt beneath the water


Output: D