( ( hydropower ( and ( renewable energy ) ) ) ; )
(ROOT (NP (NP (NN hydropower) (CC and) (NN renewable) (NN energy)) (: ;)))
hydropower and renewable energy;
(ROOT (S (NP (NNP Hydropower)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (RB widely) (VBN used)) (NN form)) (PP (IN of) (NP (NP (JJ renewable) (NN energy)) (PP (IN in) (NP (DT the) (NN world))))))) (. .)))