( ( Ocean-bound rivers ) ( ( provide ( ( spawning grounds ) ( for ( ( major ( commercial species ) ) ( such ( as salmon ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Ocean-bound) (NNS rivers)) (VP (VBP provide) (S (VP (VBG spawning) (NP (NNS grounds)) (PP (IN for) (NP (NP (JJ major) (JJ commercial) (NNS species)) (PP (JJ such) (IN as) (NP (NN salmon)))))))) (. .)))
Ocean-bound rivers provide spawning grounds for major commercial species such as salmon.
(ROOT (S (NP (NP (DT The) (NN majority)) (PP (IN of) (NP (NNS species)))) (VP (VBP live) (PP (IN in) (NP (DT the) (NN ocean)))) (. .)))