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: 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.

Output: less massive


Input: Consider Input: Question: When a star is nearing a planet, the star will be pulled into it if the gravitational force is 
 Option1: weaker 
 Option2: stronger 
 Explanation: The closer objects are to each other, the stronger the gravitational force between them.

Output: stronger


Input: Consider Input: Question: Jack wants to screw a board to the wall, and would like to use maximum force, so the screws that Jack uses have threads that are 
 Option1: spaced out 
 Option2: closer 
 Explanation: Therefore, if the threads on a screw are closer together, you need to apply less force to penetrate the wood or other object.


Output: spaced out