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: Compared to an item with many carbon atoms an item with few carbon atoms will boil 
 Option1: faster 
 Option2: slower 
 Explanation: Alkanes with more carbon atoms have higher boiling and melting points, so some of them are solids at room temperature.
[A]: faster


[Q]: Question: A scientist sees that some galaxies are closer together than before, so they know that the universe's expansion is 
 Option1: less 
 Option2: more 
 Explanation: As the Universe expands, galaxies move further and further apart.
[A]: less


[Q]: Question: Will removes salt from the pot of water. The water's volume is now 
 Option1: less dense 
 Option2: denser 
 Explanation: If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.
[A]:
less dense