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: Charles sees an atom through the microscope that is the biggest he's ever seen. The valence electrons in this atom are likely _____ the nucleus 
 Option1: far from 
 Option2: close to 
 Explanation: In bigger atoms, valence electrons are farther from the nucleus.

A: far from
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Q: Question: As goats are removed from an area with grass what will happen to the grass levels? 
 Option1: increase 
 Option2: decrease 
 Explanation: In an inverse relationship, when one variable increases, the other variable decreases.

A: increase
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Q: Question: A person with light skin can absorb how much vitamin D? 
 Option1: a lot 
 Option2: a little 
 Explanation: Pigments in the skin act like a filter that can prevent the skin from making vitamin D. As a result, people with darker skin need more time in the sun than people with lighter skin to make the same amount of vitamin D.

A:
a lot
****