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: Mona is a scientist studying erosion at a university. She is observing a river. If she starts taking erosion measurements at the mouth of the river and moves up to the head of the river, what will she find happens as the slope gets steeper? 
 Option1: erosion decreases 
 Option2: erosion increases 
 Explanation: Water flowing over a steeper slope moves faster and causes more erosion.
[EX A]: erosion increases

[EX Q]: Question: If a Geiger counter is silent in an area, there is _____ reason to worry about radiation. 
 Option1: little 
 Option2: much 
 Explanation: The faster the clicks of a Geiger counter occur, the higher the level of radiation.
[EX A]: little

[EX Q]: Question: Dilbert had a well that he used since he was a child that filled up. This likely occurred because the water table 
 Option1: rose 
 Option2: dropped 
 Explanation: As the water is pumped out, the water table slowly falls, requiring wells to be dug deeper, which takes more money and energy.
[EX A]:
rose