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 you are mixing paints if you add less water the colors will be
Option1: darker
Option2: lighter
Explanation: If the kidneys remove less water from the blood, the blood will look darker, because there is less water in it.
[A]: darker

[Q]: Question: When someone has no energy they can move something
Option1: small
Option2: big
Explanation: In erosion, the more energy the water has, the larger the particle it can carry.
[A]:
small