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: Ron was playing with a flashlight. He moved it back and forth slowly, and then quickly. Which motion likely caused less light to bend? 
 Option1: the slow motion 
 Option2: the quick motion 
 Explanation: In refraction of light, the greater the change in speed, the more light bends.
Example Output: the slow motion

Example Input: Question: A family that is enormous, compared to a family that is very small, will have allele differences that are 
 Option1: smaller 
 Option2: greater 
 Explanation: The smaller a population is, the more allele frequencies may drift.
Example Output: greater

Example Input: Question: Will hit the ball with the bat. If he hit the ball with less force, the ball will experience _____ acceleration. 
 Option1: less 
 Option2: more 
 Explanation: The greater the net force acting on the object, the greater its acceleration will be, but the mass of the object also affects its acceleration.
Example Output:
less