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.

Example Input: Question: Mo has a wave with a short wavelength. He notices the wavelength growing over time. The wave now has _____ energy. 
 Option1: less 
 Option2: more 
 Explanation: Waves with shorter wavelengths have more energy.
Example Output: less

Example Input: Question: Terry has a strong base, some bleach, and a weak base, some water. Which likely contains more hydroxide ions? 
 Option1: bleach 
 Option2: water 
 Explanation: A stronger base produces more hydroxide ions than a weaker base.
Example Output: bleach

Example Input: Question: As Brian climbed Mount Everest, there was _____ air. 
 Option1: more 
 Option2: less 
 Explanation: At higher elevations, there is less air to press on a given area.
Example Output:
less