( ( ( 6 ( -RRB- ( ( ( ( Mineral ( streaks-Natural coloring ) ) ( of wood ) ) due ) ( to mineral ) ) ) ) ( deposits ( in the ) ) ) ( tree . ) )
(ROOT (S (NP (SBAR (SBAR (S (NP (CD 6)) (-RRB- -RRB-) (VP (ADVP (NP (NP (JJ Mineral) (JJ streaks-Natural) (NN coloring)) (PP (IN of) (NP (NN wood)))) (RB due)) (TO to) (VP (VB mineral))))) (SBAR (IN deposits) (FRAG (S (ADJP (IN in)) (S (NP (VBP the)))))))) (VP (VBZ tree)) (. .)))
6) Mineral streaks-Natural coloring of wood due to mineral deposits in the tree.
(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)))) (. .)))