( There ( ( are ( ( two ( main types ) ) ( of ( ( diabetes mellitus ) ( called ( quite ( simply ( ( ( type ( 1 diabetes ) ) and ) ( type ( 2 diabetes ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD two) (JJ main) (NNS types)) (PP (IN of) (NP (NP (NN diabetes) (NNS mellitus)) (VP (VBN called) (NP (RB quite) (ADVP (RB simply)) (NP (NP (NN type)) (NP (CD 1) (NN diabetes))) (CC and) (NP (NP (NN type)) (NP (CD 2) (NN diabetes))))))))) (. .)))
There are two main types of diabetes mellitus called quite simply type 1 diabetes and type 2 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))))) (. .)))