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: Theresa decreased the amount of water in her pool. Rock would likely melt 
 Option1: faster 
 Option2: slower 
 Explanation: As the amount of water increases, the melting point of rock decreases.
[A]: slower


[Q]: Question: Will takes away half of a rock. The total surface area of the rock has now 
 Option1: decreased 
 Option2: increased 
 Explanation: As rock breaks into smaller pieces, the surface area of the pieces increases.
[A]: decreased


[Q]: Question: If the citizens of Europe began using oil, they should have _____ pollution. 
 Option1: more 
 Option2: less 
 Explanation: Greater use of oil and other fossil fuels causes more pollution.
[A]:
more