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: If Mona is comparing the erosion rates of two rocks and she notices that granite is softer then marble, which rock will water erode faster? 
 Option1: granite 
 Option2: marble 
 Explanation: The water erodes the softer rock faster than the harder rock.
[A]: granite


[Q]: Question: If Mona is examining her arteries and she looks at ones that are farther away from her heart, what happens to the size of the arteries? 
 Option1: smaller 
 Option2: larger 
 Explanation: Further away from the heart, the aorta branches into smaller arteries, which eventually branch into capillaries.
[A]: smaller


[Q]: Question: Will analyzes the photon energy in an electromagnetic wave with a high frequency. Bill analyzes the photon energy in an electromagnetic wave with a low frequency. _____'s wave has more photon energy. 
 Option1: Bill 
 Option2: Will 
 Explanation: In electromagnetic waves with higher frequencies, photons have more energy.
[A]:
Will