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.

Input: Consider Input: 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.

Output: less


Input: Consider Input: Question: As a balloon deflates there is _____ air pressure forcing air out. 
 Option1: more 
 Option2: less 
 Explanation: Exhaling, or breathing out, decreases the size of the chest, which increases air pressure inside the lungs.

Output: more


Input: Consider Input: Question: Karen is feeling very cool, and starts to chill. Her blood flow is decreased, likely because the day is 
 Option1: hot 
 Option2: cold 
 Explanation: On a hot day, an endotherm may give off more heat by increasing blood flow to the surface of the body.


Output: cold