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: When a rubber band is relaxed, its elastic force 
 Option1: increases 
 Option2: decreases 
 Explanation: The elastic force increases the more the material is stretched or compressed.
[EX A]: decreases

[EX Q]: Question: John was looking at rocks in the valley and noticed something. The less resistant the rocks he looked at were, the amount they remained was 
 Option1: Shorter 
 Option2: Longer 
 Explanation: Different types of rocks weather at different rates. More resistant types of rocks will remain longer.
[EX A]: Shorter

[EX Q]: Question: If Milo gets cold from being outside and his metabolism rate goes down, what happens to his body heat levels? 
 Option1: decrease 
 Option2: increase 
 Explanation: For example, on a cold day, an endotherm may produce more body heat by increasing its rate of metabolism.
[EX A]:
decrease