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: If Mona is bouncing radar waves off a test car when training to be a policewoman and she notices the frequency of the waves returning to her radar gun is lower then it was before, what is happening to the car she is pointing the gun at? 
 Option1: decreasing in speed 
 Option2: increasing in speed 
 Explanation: A: As the car approaches the radar gun, the reflected microwaves get bunched up in front of the car. Therefore, the waves the receiver detects have a higher frequency than they would if they were being reflected from a stationary object. The faster the car is moving, the greater the increase in the frequency of the waves.

Output: decreasing in speed


Input: Consider Input: Question: The electron levels closest to the nucleus of an atom have _____ energy than those further away. 
 Option1: more 
 Option2: less 
 Explanation: As you go farther from the nucleus of an atom, the electron levels have more and more energy.

Output: less


Input: Consider Input: Question: Penny added salt to her cup of water and noticed the water got _____. 
 Option1: thicker 
 Option2: thinner 
 Explanation: If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.


Output: thicker