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: Where would jumping be the hardest? (A) Mars (B) Jupiterr (C) the Earth (D) the moon

Output: B


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

Output: A


Input: Consider Input: The force required to swim through ocean water is greater than the force needed to swim in a heated pool because (A) pool water is usually cooler than ocean water (B) pool waves carry more turbulence than ocean waves (C) pool water has less mass and density than saltwater (D) saltwater has less mass and density than pool water


Output: C