You are given a question or fill-in-the-blank question, two answer options (Option1 and Option2) and an Explanation. Your task is to find the correct answer (return the string of the correct option, not option1/2) for the given question from the given options and using explanation.

Input: Consider Input: Question: Rick had a rock (Rock A) from 1000 feet beneath the crust's surface. He later dug 3000 feet deeper and got a second rock (Rock B). Which rock is likely younger?
Option1: Rock A
Option2: Rock B
Explanation: Older rocks are at the bottom and younger rocks are at the top.

Output: Rock A

Input: Consider Input: Question: Dan hits a car with his car. Dan was going only twenty miles an hour, and the other car was stopped. If Dan had hit the car going forty miles an hour, the stopped car would be moved
Option1: more
Option2: less
Explanation: The harder the batter hits the ball, the greater will be its acceleration.

Output: more

Input: Consider Input: Question: Carl is studying climate change, and notes that less ultraviolet radiation is being trapped, which means the earth will be
Option1: cooler
Option2: warmer
Explanation: If there are more greenhouse gases in the atmosphere, more ultraviolet radiation will be trapped and the Earth will heat up.
Output: cooler