<|im_start|>user
Classify each of the following as renewable or non-renewable forms of energy: Coal, solar, wind, natural gas, nuclear, hydroelectric, petroleum<|im_end|>
<|im_start|>assistant
Coal: non-renewable, Solar: renewable, Wind: renewable, Natural Gas: non-renewable, Nuclear: non-renewable, Hydroelectric: renewable, Petroleum: non-renewable<|im_end|>
