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: Angel traveled from New York to Des Moines, IA , and experienced _____ pollution. 
 Option1: more 
 Option2: less 
 Explanation: For example, more people on the Earth means more people contributing to global warming and pollution.
[A]: less


[Q]: Question: Rick has a flat magnifying glass while Jimmy has a curved convex lens. Who likely can magnify the objects better? 
 Option1: Rick 
 Option2: Jimmy 
 Explanation: The more curved the convex lens is in a magnifying glass, the greater its ability to magnify objects.
[A]: Jimmy


[Q]: Question: Jake pours syrup into one cup, then pours water into another, both in equal amounts. Jack can know that the syrup is the more dense of the fluids because it has 
 Option1: more mass 
 Option2: less mass 
 Explanation: If we have two materials with the same volume, the material with a higher mass will be more dense.
[A]:
more mass