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: If Jim increases the size of his base, what will happen to the rate of hydroxide ion production? 
 Option1: increase 
 Option2: decrease 
 Explanation: A stronger base produces more hydroxide ions than a weaker base.
[EX A]: increase

[EX Q]: Question: Yolanda moved to Denver where it is 5000 feet above sea level. The atmosphere here is considered 
 Option1: dense 
 Option2: thin 
 Explanation: The density of the atmosphere decreases with an increase in the height above sea level (altitude).
[EX A]: thin

[EX Q]: Question: When four nomads left the oasis that had been occupied by seven people, was there 
 Option1: more water to share 
 Option2: less water to share? 
 Explanation: The availability of water is projected to get worse as demand increases.
[EX A]:
more water to share