( ( Type ( of Machine ) ) . )
(ROOT (NP (NP (NNP Type)) (PP (IN of) (NP (NN Machine))) (. .)))
Type of Machine.
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD six) (NNS types) (NNS types)) (PP (IN of) (NP (JJ simple) (NNS machines))))) (. .)))