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.

Q: Question: When we get lower in the air what happens to the temperature? 
 Option1: goes up 
 Option2: goes down 
 Explanation: In the mesosphere, temperature decreases as altitude increases.

A: goes up
****
Q: 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.

A: increase
****
Q: Question: john was looking at the magma from the helicopter. He could see quite plainly that the darker colored minerals had a silica content that was 
 Option1: Higher 
 Option2: Lower 
 Explanation: Magmas that produce lighter colored minerals are higher in silica.

A:
Lower
****