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: What would happen to the speed of Earth's orbit if our planet were to move closer to the Sun?
Option1: increased speed
Option2: decreased speed
Explanation: The Earth travels faster in its elliptical orbit when it is closer to the Sun than when it is farther away.
[A]: increased speed

[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: If Jim decreases the strength of an acid he is playing with, the concentration of ions in that acid
Option1: falls
Option2: rises
Explanation: A stronger acid produces a greater concentration of ions than a weaker acid.
[A]:
falls