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: Mona lives in a city that doesn't use much oil. If the mayor of that city decides to change their policy and the city begins using more oil, what happens to the amount of pollution generated by the city? 
 Option1: increases 
 Option2: decreases 
 Explanation: Greater use of oil and other fossil fuels causes more pollution.
[A]: increases


[Q]: Question: If the speed of a stream decreases, the size of the particles carried in that stream 
 Option1: increase 
 Option2: decrease 
 Explanation: In erosion, a slower moving stream will only carry smaller particles.
[A]: decrease


[Q]: Question: If Mona is creating a membrane to filter out some dirty water and she creates more folds in the membrane, what happens to the total surface area of that membrane? 
 Option1: increases 
 Option2: decreases 
 Explanation: The folds present in the membrane increase the surface area allowing more ribosomes to be present on the ER, thereby allowing greater protein production.
[A]:
increases