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: Donna wants to have her water molecules move faster through transpiration, so she will make the temperature 
 Option1: cooler 
 Option2: warmer 
 Explanation: In transipration, at warmer temperatures water molecules move faster, and the rate of evaporation from stomata is therefore much faster.
[EX A]: warmer

[EX Q]: Question: Eric saw a shell of a snail that was very rare in fossil form. Compared to one that is more common, the rare snail has a shell that is _____ hard. 
 Option1: more 
 Option2: less 
 Explanation: Hard shells fossilize more readily than soft bodied organisms, as they are better at resisting decay, take significantly longer to break down, and have a greater chance of surviving burial under layers of sediment.
[EX A]: less

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