( ( Muscular dystrophy ) ( ( is ( ( a ( chronic disease ) ) ( characterised ( by ( ( a ( gradual wasting ) ) ( of ( the muscles ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Muscular) (NN dystrophy)) (VP (VBZ is) (NP (NP (DT a) (JJ chronic) (NN disease)) (VP (VBN characterised) (PP (IN by) (NP (NP (DT a) (JJ gradual) (NN wasting)) (PP (IN of) (NP (DT the) (NNS muscles)))))))) (. .)))
Muscular dystrophy is a chronic disease characterised by a gradual wasting of the muscles.
(ROOT (S (NP (JJ Muscular) (NN dystrophy)) (VP (VBZ is) (NP (DT a) (DT a) (NN wasting) (NN disease))) (. .)))