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 speaking to Milo in a soft tone and then decreases the amplification of the sound waves leaving her mouth, what will happen to the loudness level of her voice? 
 Option1: increase 
 Option2: decrease 
 Explanation: Amplified sound waves have more energy, which increases the intensity and loudness of the sounds, so they are easier to hear.

A: decrease
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Q: Question: If Mona increases the temperature of her stove while cooking a roast, what happens to the amount of energy being used? 
 Option1: increases 
 Option2: decreases 
 Explanation: The temperature of matter increases with the added energy.

A: decreases
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Q: Question: If Mona is a sculptor and she is making two clay vases, what happens if she increases the mass of the vases by adding clay to them? 
 Option1: gravitational force of attraction is stronger 
 Option2: gravitational force of attraction is weaker 
 Explanation: The greater the mass of the objects, the stronger the gravitational force of attraction between them.

A:
gravitational force of attraction is stronger
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