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.

[EX Q]: 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.
[EX A]: greater

[EX Q]: Question: A ball that is on the ground will have _____ potential energy than a ball on the top of the empire state building about to be dropped off . 
 Option1: more 
 Option2: less 
 Explanation: So the higher an object is above a surface, the more potential energy it has.
[EX A]: less

[EX Q]: Question: As the plane dropped altitude, the passengers felt _____. 
 Option1: cooler 
 Option2: warmer 
 Explanation: In the troposphere, temperatures decrease as altitude increases.
[EX A]:
warmer