( ( Coronary ( heart disease ) ) ( ( is ( ( ( the ( leading cause ) ) ( of ( ( death and ) disability ) ) ) ( in ( the ( United States ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Coronary) (NN heart) (NN disease)) (VP (VBZ is) (NP (NP (DT the) (VBG leading) (NN cause)) (PP (IN of) (NP (NN death) (CC and) (NN disability))) (PP (IN in) (NP (DT the) (NNP United) (NNPS States))))) (. .)))
Coronary heart disease is the leading cause of death and disability in the United States.
(ROOT (S (NP (NNP Heart) (NN disease)) (VP (VBZ is) (NP (NP (DT the) (VBG leading) (NN cause)) (PP (IN of) (NP (NN death))) (PP (IN in) (NP (DT the) (VBN united) (NNS states))))) (. .)))