( Thus ( ( these resources ) ( ( are ( classified ( as ( nonrenewable resources ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB Thus)) (NP (DT these) (NNS resources)) (VP (VBP are) (VP (VBN classified) (PP (IN as) (NP (JJ nonrenewable) (NNS resources))))) (. .)))
Thus these resources are classified as nonrenewable resources.
(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))))) (. .)))