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.

Ex Input:
Question: Two batteries are sitting on a table, one has energy being passed quickly around, the other has energy passed slowly around. The battery with energy being passed quickly has particles of matter that are 
 Option1: further apart 
 Option2: closer together 
 Explanation: When particles of matter are closer together, they can more quickly pass the energy of vibrations to nearby particles.

Ex Output:
closer together


Ex Input:
Question: Tommy traded in his four-cylinder Pinto for an eight-cylinder Mustang. The Pinto engine was 
 Option1: more powerful 
 Option2: less powerful. 
 Explanation: The more cylinders a car engine has, the more powerful its engine can be.

Ex Output:
less powerful.


Ex Input:
Question: The closer to sea level that you get the 
 Option1: cooler it is 
 Option2: warmer it is 
 Explanation: The surface is heated by the Sun and some of that heat radiates back into the air. This makes the temperature higher near the surface than at higher altitudes.

Ex Output:

warmer it is