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.
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Question: Question: If Milo removes mass from an object, what will happen to the force of gravity that object generates? 
 Option1: decreases 
 Option2: increases 
 Explanation: Objects with greater mass have a stronger force of gravity.

Answer: decreases


Question: Question: Joe is pulling a rubber band with his fingers. When does the band have the most elastic force? 
 Option1: at rest 
 Option2: when stretched 
 Explanation: The elastic force increases the more the material is stretched or compressed.

Answer: when stretched


Question: Question: Milo was playing around with water by changing the pH level. If he lowered the pH what would happen to the acidity of the solution? 
 Option1: it would decrease 
 Option2: it would increase 
 Explanation: Acids have pH values below 7. The lower the pH value, the more strongly acidic the substance.

Answer:
it would increase