( ( ( The mutations ) ( in ( these diseases ) ) ) ( , ( ( like ( ( ( cystic fibrosis ) and ) ( muscular dystrophy ) ) ) ( , ( ( ( are ( ( necessary and ) sufficient ) ) ( for ( the disease ) ) ) . ) ) ) ) )
(ROOT (S (NP (NP (DT The) (NNS mutations)) (PP (IN in) (NP (DT these) (NNS diseases)))) (, ,) (PP (IN like) (NP (NP (JJ cystic) (NN fibrosis)) (CC and) (NP (JJ muscular) (NN dystrophy)))) (, ,) (VP (VBP are) (ADJP (JJ necessary) (CC and) (JJ sufficient)) (PP (IN for) (NP (DT the) (NN disease)))) (. .)))
The mutations in these diseases, like cystic fibrosis and muscular dystrophy, are necessary and sufficient for the disease.
(ROOT (S (NP (JJ Muscular) (NN dystrophy)) (VP (VBZ is) (NP (DT a) (DT a) (NN wasting) (NN disease))) (. .)))