( nonrenewable ( resource ( extraction ; ) ) )
(ROOT (NP (JJ nonrenewable) (NN resource) (NNS extraction) (: ;)))
nonrenewable resource extraction;
(ROOT (S (NP (JJ Nonrenewable) (NNS resources)) (VP (MD can) (RB not) (VP (VB be) (VP (VBN replaced) (ADVP (ADVP (RB as) (RB easily)) (SBAR (IN as) (S (NP (PRP it)) (VP (VBZ is) (VP (VBN consumed))))))))) (. .)))