( ( ( nuclear , ) ( ( ( ( ( coal , ) hydrocarbon ) , ) and ) ( renewable ( energy technologies ) ) ) ) ; )
(ROOT (NP (NP (JJ nuclear)) (, ,) (NP (NP (NN coal)) (, ,) (NP (NN hydrocarbon)) (, ,) (CC and) (NP (JJ renewable) (NN energy) (NNS technologies))) (: ;)))
nuclear, coal, hydrocarbon, and renewable energy technologies;
(ROOT (S (NP (PRP We)) (VP (VBP call) (NP (NP (DT the) (JJ solid) (NN form)) (PP (IN of) (NP (JJ hydrocarbons) (NN coal))))) (. .)))