system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
Classify each of the following as renewable or non-renewable forms of energy: Coal, solar, wind, natural gas, nuclear, hydroelectric, petroleum


assistant
Coal: non-renewable, Solar: renewable, Wind: renewable, Natural Gas: non-renewable, Nuclear: non-renewable, Hydroelectric: renewable, Petroleum: non-renewable