( ( ( Children ( with diabetes ) ) ( usually ( have what ) ) ) ( ( ( is called ) ( ( ( Type ( 1 diabetes ) ) , ) ( ( one form ) ( of ( ( the disease ) ( known ( as ( diabetes mellitus ) ) ) ) ) ) ) ) . ) )
(ROOT (SINV (S (NP (NP (NNP Children)) (PP (IN with) (NP (NN diabetes)))) (ADVP (RB usually)) (VP (VBP have) (NP (WP what)))) (VP (VBZ is) (VP (VBN called))) (NP (NP (NNP Type) (CD 1) (NN diabetes)) (, ,) (NP (NP (CD one) (NN form)) (PP (IN of) (NP (NP (DT the) (NN disease)) (VP (VBN known) (PP (IN as) (NP (NN diabetes) (NNS mellitus)))))))) (. .)))
Children with diabetes usually have what is called Type 1 diabetes, one form of the disease known as diabetes mellitus.
(ROOT (S (NP (NNP Diabetes)) (VP (VP (VBZ is) (ADJP (JJ unpreventable) (PP (IN in) (NP (DT the) (NN type) (CD one) (NN form))))) (CC but) (VP (MD may) (VP (VB be) (VP (VBN prevented) (PP (IN by) (NP (NN diet))) (SBAR (IN if) (S (NP (PRP it)) (VP (VBZ is) (PP (IN of) (NP (DT the) (JJ second) (NN type)))))))))) (. .)))
Diabetes is unpreventable in the type one form but may be prevented by diet if it is of the second type.