( There ( ( are ( ( two ( main types ) ) ( of diabetes ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD two) (JJ main) (NNS types)) (PP (IN of) (NP (NN diabetes))))) (. .)))
There are two main types of diabetes.
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD two) (JJ different) (JJ main) (NNS types)) (PP (IN of) (NP (NN diabetes))))) (. .)))