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: As the rocket falls down through the troposphere and gets nearer to the Earth's surface, the air will be 
 Option1: warmer 
 Option2: cooler 
 Explanation: Air in the troposphere is warmer closer to Earths surface.
[A]: warmer


[Q]: Question: Milo is older then Jerry. Who has the greater chance of developing cardiovascular disease? 
 Option1: Milo 
 Option2: Jerry 
 Explanation: The older a person is, the greater their chance of developing a cardiovascular disease.
[A]: Milo


[Q]: Question: If Mona is adding chemicals to her swimming pool before the start of the summer and she lowers the pH number of the water, what happens to the acidity of the swimming pool? 
 Option1: increases 
 Option2: decreases 
 Explanation: Lower pH numbers are more acidic and higher numbers are less acidic (also called more alkaline).
[A]:
increases