In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.

Question: What is a renewable source? Answer: energy from the yellow dwarf star closest to us.
solar energy is a renewable resource

Question: You can use plants like star anise for? Answer: sustenance seasoning.
plants are the source of spices

Question: A person cuts down their neighbor's tree without permission. The neighbor who lost the tree is upset, and sues for the cost of the tree, which depends on the age of the tree at the time of cutting. The tree age is determined by? Answer: number of circles.

a tree growing a tree-growth ring occurs once per year