( ( ( Graph data ) ( using ( ( the ( appropriate type ) ) ( of graph ) ) ) ) . )
(ROOT (NP (NP (JJ Graph) (NNS data)) (VP (VBG using) (NP (NP (DT the) (JJ appropriate) (NN type)) (PP (IN of) (NP (NN graph))))) (. .)))
Graph data using the appropriate type of graph.
(ROOT (S (NP (NNP Circle) (NNS graphs)) (VP (VBP are) (ADJP (JJ useful) (PP (IN for) (S (VP (VBG showing) (NP (NP (NNS percents)) (PP (IN of) (NP (DT a) (NN whole))))))))) (. .)))