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: What happens to a heavy car when it has the same power as a light car? 
 Option1: accelerates faster 
 Option2: accelerates slower 
 Explanation: The smaller its mass is, the greater its acceleration for a given amount of force.
Example Output: accelerates slower

Example Input: Question: If a person sank lower within the mesosphere, would the temperature 
 Option1: increase 
 Option2: decrease 
 Explanation: In the mesosphere, temperature decreases as altitude increases.
Example Output: increase

Example Input: Question: Jeff built a lens with the lowest refraction possible. The lens is likely _____ curved. 
 Option1: very 
 Option2: not 
 Explanation: The more curved the surface of a lens is, the more it refracts light.
Example Output:
not