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: 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.

Output: greater


Input: Consider Input: Question: Jan is taking a class where she is learning about atoms. She knows that atoms have electrons, and that atoms that are smaller have 
 Option1: more electrons 
 Option2: fewer electrons 
 Explanation: Bigger atoms have more electrons.

Output: fewer electrons


Input: Consider Input: Question: Fred had a bundle of sticks and spread them apart to build a fire. The molecules in the wood became _____ due to Fred's motion. 
 Option1: faster 
 Option2: slower 
 Explanation: Friction causes the molecules on rubbing surfaces to move faster, so they have more heat energy.


Output: slower