( ( Highly-enriched uranium ) ( ( ( is also ) ( used ( to ( ( fuel ( the reactors ) ) ( in ( nuclear-powered warships ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Highly-enriched) (NN uranium)) (VP (VBZ is) (ADVP (RB also)) (VP (VBN used) (S (VP (TO to) (VP (VB fuel) (NP (DT the) (NNS reactors)) (PP (IN in) (NP (JJ nuclear-powered) (NNS warships)))))))) (. .)))
Highly-enriched uranium is also used to fuel the reactors in nuclear-powered warships.
(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))))))))))))) (. .)))