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 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.
[EX A]: decrease

[EX Q]: Question: If Mona removes more water from her cauldron of melting rock, what will happen to the melting point of that rock? 
 Option1: increase 
 Option2: decrease 
 Explanation: As the amount of water increases, the melting point of rock decreases.
[EX A]: increase

[EX Q]: Question: Tom was managing a resistor and noticed that the resistance within it was lower than he expected. This would mean that the amount of energy transferred in the resistor was 
 Option1: higher 
 Option2: lower 
 Explanation: The higher the resistance of the resistor, the more energy is transferred within the resistor.
[EX A]:
lower