( There ( ( are ( ( two ( common types ) ) ( of diabetes ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD two) (JJ common) (NNS types)) (PP (IN of) (NP (NN diabetes))))) (. .)))
There are two common types of diabetes.
(ROOT (S (NP (NNP Type) (CD 2)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBR more) (JJ common)) (NN type)) (PP (IN of) (NP (NN diabetes))))) (. .)))