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: Given two equal measures of water by volume, which would be lighter 
 Option1: ocean water 
 Option2: distilled water? 
 Explanation: Water becomes more dense when it is colder and when it has more salt.

A: distilled water?
****
Q: Question: Jan lives in a great country and she is rich. Compared to another person in a poorer country, Jan will use an amount of energy that is 
 Option1: greater 
 Option2: lesser 
 Explanation: People in the richer nations of the world use far more energy, especially energy from fossil fuels, than people in the poorer nations do.

A: greater
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Q: Question: If something has a small surface area and is being mixed with something else it will react 
 Option1: slower 
 Option2: faster 
 Explanation: Surface Area of Reactants When a solid substance is involved in a chemical reaction, only the matter at the surface of the solid is exposed to other reactants. If a solid has more surface area, more of it is exposed and able to react.

A:
slower
****