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: If Milo notices that the frequency of his electromagnetic wave seems to be decreasing, what does that say about the energy of the wave? 
 Option1: it's increasing 
 Option2: it's decreasing 
 Explanation: The higher the frequency of an electromagnetic wave, the greater its energy.

A: it's decreasing
****
Q: Question: Evan is a farmer and needs to plant on a slope. For a slower flow of water, he should choose a slope that is 
 Option1: steeper 
 Option2: gentler 
 Explanation: A gentle slope favours slower flow of surface water, reduces erosion, and increases availability of water to plants.

A: gentler
****
Q: Question: Milo breeds cats for a living. If he wants his cats to reduce a specific trait, what should he do to the amount of offspring each cat produces? 
 Option1: decrease 
 Option2: increase 
 Explanation: Natural selection is the process by which living things with beneficial traits produce more offspring, so their traits become more common over time.

A:
decrease
****