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: Mary loves to observe the Sun. If she's looking at the Sun one day and notices more sunspots then she usually sees, what is happening to the amount of solar energy reaching the Earth? 
 Option1: increasing 
 Option2: decreasing 
 Explanation: When there are more sunspots the Sun is more active and there are more solar storms and more of the Sun's energy reaches the Earth.

A: increasing
****
Q: Question: Joe is pulling a rubber band with his fingers. When does the band have the most elastic force? 
 Option1: at rest 
 Option2: when stretched 
 Explanation: The elastic force increases the more the material is stretched or compressed.

A: when stretched
****
Q: Question: Ian is digging in his garden, and admires the shiny pebbles sitting in the yard, as he digs a hole and finds more rocks, he knows that the first ones he found are 
 Option1: younger 
 Option2: older 
 Explanation: Older rocks are at the bottom and younger rocks are at the top.

A:
younger
****