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.

[EX Q]: Question: If Mona is comparing sandpaper with notebook paper and she determines that sandpaper is rougher then notebook paper, which object has more friction? 
 Option1: sandpaper 
 Option2: notebook paper 
 Explanation: Rougher surfaces have more friction between them than smoother surfaces.
[EX A]: sandpaper

[EX Q]: Question: Fred has an isotope that decays quickly. What is likely true about it? 
 Option1: it can be used to date older specimens 
 Option2: it can't be used to date old specimens 
 Explanation: Because these isotopes decay more slowly, they can be used to date much older specimens.
[EX A]: it can't be used to date old specimens

[EX Q]: Question: John was weighing some materials in his science lab. He observed that as objects had lower density, the heaviness of the objects 
 Option1: Increased 
 Option2: Decreased 
 Explanation: A given volume of a denser substance is heavier than the same volume of a less dense substance.
[EX A]:
Decreased