( Resources ( ( may ( be ( ( renewable or ) nonrenewable ) ) ) . ) )
(ROOT (S (NP (NNP Resources)) (VP (MD may) (VP (VB be) (ADJP (JJ renewable) (CC or) (JJ nonrenewable)))) (. .)))
Resources may be renewable or nonrenewable.
(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))))) (. .)))