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: If Mona is comparing the erosion rates of two rocks and she notices that granite is softer then marble, which rock will water erode faster? 
 Option1: granite 
 Option2: marble 
 Explanation: The water erodes the softer rock faster than the harder rock.

Ex Output:
granite


Ex Input:
Question: If Mona's country normally emits a lot of greenhouse gas, but one day decides to lower the amount they emit, what will happen to the global temperature? 
 Option1: increase 
 Option2: decrease 
 Explanation: A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.

Ex Output:
decrease


Ex Input:
Question: If the Nile's flooding was prevented from covering the Egyptian bottomlands, it might ultimately result in _____ crops. 
 Option1: less 
 Option2: more 
 Explanation: As more water covered the land, sand and silt were washed in and covered the dead vegetation, enabling more and more plants to grow.

Ex Output:

less