( ( ( The color ) ( of ( ( the ( powdered mineral ) ) ( -LRB- ( ( the streak ) -RRB- ) ) ) ) ) ( ( may ( surprise you ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN color)) (PP (IN of) (NP (NP (DT the) (ADJP (JJ powdered)) (NN mineral)) (PRN (-LRB- -LRB-) (NP (DT the) (NN streak)) (-RRB- -RRB-))))) (VP (MD may) (VP (VB surprise) (NP (PRP you)))) (. .)))
The color of the powdered mineral (the streak) may surprise you.
(ROOT (S (NP (NP (DT The) (NN color)) (PP (IN of) (NP (NP (DT the) (NN powder)) (PP (IN of) (NP (DT a) (NN mineral)))))) (VP (VBZ is) (VP (VBN called) (NP (NN streak)))) (. .)))