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: By pouring a pound of salt into a bucket of fresh water, could you cause the density of the water to 
 Option1: increase 
 Option2: decrease? 
 Explanation: Water density increases as salinity and pressure increase, or as temperature decreases.

Output: increase


Input: Consider Input: Question: If Australia is smaller then Asia, which country will produce more of a trash buildup in the oceans? 
 Option1: Australia 
 Option2: China 
 Explanation: The Southern Hemisphere has less trash buildup in the oceans because less of the region is continent.

Output: China


Input: Consider Input: Question: If the people in Mary's country start to create more greenhouse gases, what will happen to the possibility that changes may occur? 
 Option1: increase 
 Option2: decrease 
 Explanation: As greenhouse gases increase, changes will be more extreme.


Output: increase