TASK DEFINITION: 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.
PROBLEM: 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.

SOLUTION: increasing

PROBLEM: Question: Don was swimming in the ocean, and decided to dive deeper. Don noticed that the shallower he swam the water got
Option1: darker
Option2: lighter
Explanation: The deeper you go, the darker the water gets.

SOLUTION: lighter

PROBLEM: Question: A structure with an increased surface area will _____ in functioning.
Option1: increase
Option2: decrease
Explanation: In Life Sciences it is important to note that whenever a structure has an increased surface area, there is an increase in the functioning of that structure.

SOLUTION:
increase