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.

Question: Dwayne Johnson is much stronger than Kevin Hart because he exercises more and therefore his muscles have grown 
 Option1: larger or 
 Option2: smaller. 
 Explanation: Exercising muscles increases their size, and bigger muscles have greater strength.
larger or

Question: Tina is drinking water. Tina blows slowly on the surface of the water. The faster she blows, the _____ the waves are. 
 Option1: smaller 
 Option2: bigger 
 Explanation: The faster, longer, and farther the wind blows, the bigger the waves are.
smaller

Question: Amy is from the USA, where she used lots of fossil fuels. Andy is from a poor country where there are few fossil fuels to be used. The person who's country will contribute more to air pollution is 
 Option1: Amy's 
 Option2: Andy's 
 Explanation: Because richer nations use more fossil fuels, they also cause more air pollution and global warming than poorer nations do.

Amy's