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: Going higher in the mesosphere, we encounter _____ temperatures. 
 Option1: higher 
 Option2: lower 
 Explanation: In the mesosphere, temperature decreases as altitude increases.
[A]: lower


[Q]: Question: When we add more water to something there will be 
 Option1: fewer reactions 
 Option2: more reactions 
 Explanation: More water allows more chemical reactions.
[A]: more reactions


[Q]: Question: A photon with more energy than another will also have a _____ frequency. 
 Option1: higher 
 Option2: lower 
 Explanation: The higher the frequency is, the more energy a photon has.
[A]:
higher