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.

Example Input: Question: Considering that aluminum has a much lower specific heat than water, which would cool more slowly 
 Option1: five pounds of water heated to 200 degrees? 
 Option2: a five pound block of aluminum heated to 200 degrees 
 Explanation: The land heats up and cools off faster than the water because it has lower specific heat.
Example Output: five pounds of water heated to 200 degrees?

Example Input: Question: The the planets are colder than sun because they are 
 Option1: less massive 
 Option2: more massive 
 Explanation: An object with more mass has greater thermal energy than an object with less mass because it has more atoms.
Example Output: less massive

Example Input: Question: If a person went higher into the mesosphere, would the temperature 
 Option1: increase 
 Option2: decrease 
 Explanation: In the mesosphere, temperature decreases as altitude increases.
Example Output:
decrease