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: Michel watched the slow waves hit shore with power. The waves were _____. 
 Option1: big 
 Option2: small 
 Explanation: The size of an ocean wave depends on how fast, over how great a distance, and how long the wind blows. The greater each of these factors is, the bigger a wave will be.

Ex Output:
small


Ex Input:
Question: Jan poured a liquid solution into a bottle and the solution was very dense, so in the bottle it took up 
 Option1: more room 
 Option2: less room 
 Explanation: More dense water takes up less space than less dense water.

Ex Output:
less room


Ex Input:
Question: Compared to a hydrocarbon with a single carbon atom, would a hydrocarbon with 10 carbon atoms have 
 Option1: a greater number of isomers 
 Option2: fewer isomers? 
 Explanation: The more carbon atoms a hydrocarbon has, the greater the number of isomers.

Ex Output:

a greater number of isomers