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: If Mona is excavating an archeological site and she discovers some fossils near the surface then compares them to fossils she found deeper down, which fossils will be younger? 
 Option1: near the surface 
 Option2: deeper down 
 Explanation: Lower rock layers were laid down earlier, so they are assumed to contain older fossils.

Ex Output:
near the surface


Ex Input:
Question: Devon's cat, Fluffy, is looking for a nice warm spot to lay out in the sun. Because of how the sun heats the earth, and how some heat radiates into the air, the cat laying on the ground, rather than high up in a tree branch, would keep the cat 
 Option1: cooler 
 Option2: warmer 
 Explanation: The surface is heated by the Sun and some of that heat radiates back into the air. This makes the temperature higher near the surface than at higher altitudes.

Ex Output:
warmer


Ex Input:
Question: When water starts to freeze it becomes 
 Option1: more dense 
 Option2: less dense 
 Explanation: Lower temperature and higher salinity yield the densest water.

Ex Output:

more dense