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.

Input: Consider Input: Question: The United states has less industry than South Korea. Therefore, there is more hazardous waste in _____. 
 Option1: South Korea 
 Option2: the United States 
 Explanation: Nations that have more industry produce more hazardous waste.

Output: South Korea


Input: Consider Input: Question: Will takes away half of a rock. The total surface area of the rock has now 
 Option1: decreased 
 Option2: increased 
 Explanation: As rock breaks into smaller pieces, the surface area of the pieces increases.

Output: decreased


Input: Consider Input: Question: If an big eighteen wheeler and a small wagon are both rolling down a small hill, which has less momentum? 
 Option1: small wagon 
 Option2: eighteen wheeler 
 Explanation: An object has greater momentum if it has greater mass, greater velocity, or both.


Output: small wagon