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: Hassan and Ratna each received new automatic cameras as presents. To test their new cameras, Hassan took a picture of the beach that afternoon, while Ratna waited until it was dark outside to take a picture of a python in the moonlight. The shutter of whose camera stayed open shorter? 
 Option1: Hassan 
 Option2: Ratna 
 Explanation: A camera shutter stays open longer in dim light to let more light in.

Ex Output:
Hassan


Ex Input:
Question: If Mona adds more water to her cauldron of melting rock, what will happen to the melting point of that rock? 
 Option1: increase 
 Option2: decrease 
 Explanation: As the amount of water increases, the melting point of rock decreases.

Ex Output:
decrease


Ex Input:
Question: As less time passes since a species diverged, there will be _____ differences in their DNA. 
 Option1: less 
 Option2: more 
 Explanation: The longer the amount of time since species diverged, the more differences there will be in their DNA or proteins.

Ex Output:

less