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: David is getting ready to fly into space on a rocket. As the rocket shoots upwards, part of the mass attaches, allowing the rocket to go 
 Option1: higher 
 Option2: lower 
 Explanation: By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.

Ex Output:
lower


Ex Input:
Question: As two objects move apart, the force of gravity between them 
 Option1: increases 
 Option2: decreases 
 Explanation: Objects that are closer together have a stronger force of gravity between them.

Ex Output:
decreases


Ex Input:
Question: If an object gains more charge, it will _____ electrostatic force. 
 Option1: lose 
 Option2: gain 
 Explanation: The more charged the objects are, the stronger the electrostatic force between them.

Ex Output:

gain