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: When Shane goes swimming in warmer water, he can move about slowly, whereas in cooler water, Shane's movement is 
 Option1: faster 
 Option2: slower 
 Explanation: When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.

Output: faster


Input: Consider Input: Question: If Jim lengthens the wavelength of the electromagnetic waves his machine is producing, what happens to the energy output? 
 Option1: it increases 
 Option2: it decreases 
 Explanation: Electromagnetic waves with shorter wavelengths have higher frequencies and more energy.

Output: it decreases


Input: Consider Input: Question: Carl has testing done to see if he has cancer, and it is caught in the very early stages. The difficulty in treating the cancer will therefore be 
 Option1: easier 
 Option2: harder 
 Explanation: The sooner cancer is detected the easier it is to treat.


Output: easier