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: The reason that things don't rotate around the sun is because it is 
 Option1: small 
 Option2: large 
 Explanation: The greater the mass of the objects, the stronger the gravitational force of attraction between them.

Ex Output:
small


Ex Input:
Question: When a star is moving away from 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.

Ex Output:
weaker


Ex Input:
Question: Darrel puts two bowling balls together, then puts two tennis balls together. The bowling balls have friction that is 
 Option1: greater 
 Option2: lesser 
 Explanation: Heavier objects press together with greater force, and this causes greater friction between them.

Ex Output:

greater