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: Kate is going to diffuse a liquid and a gas. The liquid is diffused last, because the particles with it are 
 Option1: closer together 
 Option2: further apart 
 Explanation: This is also called diffusion, and the process is much faster in gases than in liquids, because the particles in gases are further apart.

A: closer together
****
Q: Question: When Shane goes swimming in warmer water, he can move about slowly, whereas in cooler water, Shane's movement is 
 Option1: faster 
 Option2: slower 
 Explanation: When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.

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

A:
lower
****