( ( As ( a resource ) ) ( , ( marble ( ( is ( nonrenewable ( , ( but common ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN As) (NP (DT a) (NN resource))) (, ,) (NP (NN marble)) (VP (VBZ is) (ADJP (JJ nonrenewable) (, ,) (CC but) (JJ common))) (. .)))
As a resource, marble is nonrenewable, but common.
(ROOT (S (NP (NP (NNP Soil)) (, ,) (PP (IN for) (NP (JJ human) (NNS purposes))) (, ,)) (VP (VBZ is) (S (NP (DT a) (-LRB- -LRB-) (NN n) (-RRB- -RRB-)) (VP (VB nonrenewable) (NP (NN resource))))) (. .)))