( ( Enriched uranium ) ( ( is ( ( used ( by ( most ( nuclear ( power plants ) ) ) ) ) ( to ( generate electricity ) ) ) ) . ) )
(ROOT (S (NP (NNP Enriched) (NNP uranium)) (VP (VBZ is) (VP (VBN used) (PP (IN by) (NP (JJS most) (JJ nuclear) (NN power) (NNS plants))) (S (VP (TO to) (VP (VB generate) (NP (NN electricity))))))) (. .)))
Enriched uranium is used by most nuclear power plants to generate electricity.
(ROOT (S (NP (NNP Uranium)) (VP (VBZ is) (NP (NP (DT an) (JJ important) (NN part)) (PP (IN of) (NP (NP (DT the) (NN process)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (VP (VBN used) (S (VP (TO to) (VP (VB harness) (NP (JJ nuclear) (NN power))))))))))))) (. .)))