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: Mike dove higher and higher out of the ocean trench. As he goes higher, the pressure exerted on him by the water 
 Option1: increases 
 Option2: decreases 
 Explanation: A fluid exerts pressure in all directions, but the pressure is greater at greater depth.

SOLUTION: decreases

PROBLEM: Question: If we find something with a low pH value that is likely to be 
 Option1: acidic 
 Option2: basic 
 Explanation: The higher the pH value is, the stronger the base.

SOLUTION: acidic

PROBLEM: Question: If greenhouse gases were greatly increased, we can expect a _____ chance of extreme changes. 
 Option1: higher 
 Option2: lower 
 Explanation: As greenhouse gases increase, changes will be more extreme.

SOLUTION:
higher