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.

[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.
[A]: increase


[Q]: Question: If Mona is exploring and aquifer and she dives deeper down into it, what happens to the levels of fossil water she encounters? 
 Option1: they increase 
 Option2: they decrease 
 Explanation: Deeper aquifers typically contain older 'fossil water.'
[A]: they increase


[Q]: Question: Milo is flying a rocket in the mesosphere. If he increases his altitude, what happens to the temperature? 
 Option1: increases 
 Option2: decreases 
 Explanation: In the mesosphere, temperature decreases as altitude increases.
[A]:
decreases