( Wind ( ( makes ( waves ( in ( the ocean ) ) ) ) . ) )
(ROOT (S (NP (NN Wind)) (VP (VBZ makes) (NP (NP (NNS waves)) (PP (IN in) (NP (DT the) (NN ocean))))) (. .)))
Wind makes waves in the ocean.
(ROOT (S (NP (NNP Ocean) (NNS waves)) (VP (VBP are) (ADVP (RB mainly)) (VP (VBN caused) (PP (IN by) (NP (NN wind))))) (. .)))