( ( To ( many people ) ) ( , ( ( ( the ( ( most familiar ) forms ) ) ( of ( renewable energy ) ) ) ( ( are ( ( ( the wind ) and ) ( the sun ) ) ) . ) ) ) )
(ROOT (S (PP (TO To) (NP (JJ many) (NNS people))) (, ,) (NP (NP (DT the) (ADJP (RBS most) (JJ familiar)) (NNS forms)) (PP (IN of) (NP (JJ renewable) (NN energy)))) (VP (VBP are) (NP (NP (DT the) (NN wind)) (CC and) (NP (DT the) (NN sun)))) (. .)))
To many people, the most familiar forms of renewable energy are the wind and the sun.
(ROOT (S (ADVP (RB Ultimately)) (, ,) (NP (JJS most) (NN life) (NNS forms)) (VP (VBP get) (NP (PRP$ their) (NN energy)) (PP (IN from) (NP (DT the) (NN sun)))) (. .)))