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: Milo loved to make things out of clay. If he made a clay ball, what would happen to the ball's gravitational force if he added extra clay to it? 
 Option1: decrease 
 Option2: increase 
 Explanation: The gravitational force increases with mass and decreases with the distance between the bodies.

Output: increase


Input: Consider Input: Question: As Cindy swam closer to the ocean surface, it got lighter and _____. 
 Option1: warmer 
 Option2: cooler 
 Explanation: Water density increases as salinity and pressure increase, or as temperature decreases.

Output: warmer


Input: Consider Input: Question: Jon was jogging, and quickening his pace. His heart is beating _____. 
 Option1: more 
 Option2: less 
 Explanation: When the heart expels more blood with each stroke, the heart has to beat less often in order to maintain the same volume of blood flow.


Output: more