( Diamond ( , ( ( being ( a ( natural stone ) ) ) ( , ( ( often ( contains ( small ( mineral inclusions ) ) ) ) . ) ) ) ) )
(ROOT (S (NP (NNP Diamond)) (, ,) (S (VP (VBG being) (NP (DT a) (JJ natural) (NN stone)))) (, ,) (VP (ADVP (RB often)) (VBZ contains) (NP (JJ small) (NN mineral) (NNS inclusions))) (. .)))
Diamond, being a natural stone, often contains small mineral inclusions.
(ROOT (S (NP (DT A) (JJ synthetic) (NN diamond)) (VP (VBZ is) (RB not) (VP (VBN considered) (NP (DT a) (NN mineral)) (SBAR (IN because) (S (NP (NNS minerals)) (VP (MD must) (VP (VB be) (VP (VBN created) (ADVP (RB naturally))))))))) (. .)))