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: When a squid moves forward, water is (A) pushed directly behind it (B) pushed up and below it (C) evaporated by salt water (D) pushed in front of it

Output: A


Input: Consider Input: Someone is driving at night. The day was warm, but now the night is cool, and there is a lot of mist that is difficult to see through. The mist is prevalent because (A) humidity from the day condensed as night progressed (B) warm air is usually found in daytime (C) it is always misty at night (D) the cool air makes everything feel warm

Output: A


Input: Consider Input: When producers create food in an ecosystem, a portion of the nutrients are (A) carbs (B) energy (C) grass (D) flowers


Output: A