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.
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Question: Question: If Mona is adding chemicals to her swimming pool and she lowers the pH value of the water, what happens to the acidity of the water in the pool?
Option1: increase
Option2: decrease
Explanation: The lower the pH value is, the greater is the concentration of hydrogen ions and the stronger the acid.

Answer: decrease

Question: Question: If Mona is holding a baseball above a table and then decreases the height of that baseball from the table, what happens to the potential energy of the baseball?
Option1: increases
Option2: decreases
Explanation: So the higher an object is above a surface, the more potential energy it has.

Answer: decreases

Question: Question: RJ diamond is more resistant to weathering while Tony has some sandstone which is less resistant to weathering. Whose rock will likely last longer?
Option1: RJ's
Option2: Tony's
Explanation: Different types of rocks weather at different rates. More resistant types of rocks will remain longer.

Answer:
RJ's