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.

Question: Rita added more food to the box. It is now _____ to move. 
 Option1: harder 
 Option2: easier 
 Explanation: The full box is harder to move because it has greater mass and therefore greater inertia.
harder

Question: Jeff found some very dense water. He knows it is dense because it takes up _____ space than less dense water. 
 Option1: more 
 Option2: less 
 Explanation: More dense water takes up less space than less dense water.
less

Question: In a village in Alaska they have watched the glaciers grow smaller which changes the sea level and makes it 
 Option1: fall 
 Option2: raise. 
 Explanation: An increase in glaciers lowers sea level and a decrease in glaciers raises sea level.

raise.