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: A ball that is on the ground will have _____ potential energy than a ball on the top of the empire state building about to be dropped off . 
 Option1: more 
 Option2: less 
 Explanation: So the higher an object is above a surface, the more potential energy it has.

Ex Output:
less


Ex Input:
Question: Rita walks closer to Sue. From Sue's perspective, Rita will 
 Option1: shrink 
 Option2: grow 
 Explanation: If you are standing on the shore and a ship is going out to sea, the ship gets smaller as it moves further away from you.

Ex Output:
grow


Ex Input:
Question: Ollie drives a car that uses biofuels. It creates less pollution and therefore, 
 Option1: more carbon dioxide. 
 Option2: less carbon dioxide 
 Explanation: The advantage to biofuels is that they burn more cleanly than fossil fuels. As a result, they create less pollution and less carbon dioxide.

Ex Output:

less carbon dioxide