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 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.

Ex Output:
increase


Ex Input:
Question: If a device were to become more efficient, it would produce _____ usable energy. 
 Option1: more 
 Option2: less 
 Explanation: The more efficient a device is, the greater the percentage of usable energy it produces.

Ex Output:
more


Ex Input:
Question: Dane was on a mountaintop and struggled to breathe, so he rectified it by getting to an elevation that was 
 Option1: higher 
 Option2: lower 
 Explanation: At higher elevations, there is less air to press on a given area.

Ex Output:

lower