( ( Sun energy ) ( ( ( is not ) ( used ( in Estonia ) ) ) . ) )
(ROOT (S (NP (NNP Sun) (NN energy)) (VP (VBZ is) (RB not) (VP (VBN used) (PP (IN in) (NP (NNP Estonia))))) (. .)))
Sun energy is not used in Estonia.
(ROOT (S (PP (IN Over) (NP (NP (CD 90) (NN %)) (PP (IN of) (NP (DT the) (NN energy))))) (NP (PRP we)) (VP (VBP use) (SBAR (S (VP (VBZ comes) (ADVP (RB originally)) (PP (IN from) (NP (DT the) (NN sun))))))) (. .)))