( ( ( Preventing Diabetes ) ( A ( new vaccine ) ) ) ( ( may ( prevent ( ( the onset ) ( of ( type ( 1 diabetes ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Preventing) (NNP Diabetes)) (NP (DT A) (JJ new) (NN vaccine))) (VP (MD may) (VP (VB prevent) (NP (NP (DT the) (NN onset)) (PP (IN of) (NP (NN type) (CD 1) (NN diabetes)))))) (. .)))
Preventing Diabetes A new vaccine may prevent the onset of type 1 diabetes.
(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.