You are given a sentence and your task is to generate another sentence that supports the given input.

Ex Input:
Microevolution involves small changes in gene frequencies within a population over a few or many generations, up to the formation of new species.

Ex Output:
Microevolution is when a species changes in small ways over time.

Ex Input:
Biomass is a renewable energy resource for power generation using combustion, gasification or co-firing.

Ex Output:
Biomass is an example of a renewable energy resource.

Ex Input:
First, it was discovered that the Sun was the center of gravity of the Solar system;

Ex Output:
The sun is the center of our solar system.