( excess ( ( can ( cause eutrophication ) ) ; ) )
(ROOT (S (NP (NN excess)) (VP (MD can) (VP (VB cause) (NP (NN eutrophication)))) (: ;)))
excess can cause eutrophication;
(ROOT (S (NP (NP (DT An) (NN excess)) (PP (IN of) (NP (NP (NNS fertilizers)) (CC and) (NP (JJ other) (NNS nutrients))))) (VP (VBZ causes) (ADJP (JJ eutrophication) (S (VP (TO to) (VP (VB occur)))))) (. .)))