( ( Its causes ) ( ( include ( ( ( ( ( ( ( nearby ( human activities ) ) ( -LRB- ( ( such ( as ( ( traffic or ) ( heavy machinery ) ) ) ) -RRB- ) ) ) , ) ( ( winds and ) ( other ( atmospheric phenomena ) ) ) ) , ) and ) ( ocean waves ) ) ) . ) )
(ROOT (S (NP (PRP$ Its) (NNS causes)) (VP (VBP include) (NP (NP (NP (JJ nearby) (JJ human) (NNS activities)) (PRN (-LRB- -LRB-) (PP (JJ such) (IN as) (NP (NP (NN traffic)) (CC or) (NP (JJ heavy) (NN machinery)))) (-RRB- -RRB-))) (, ,) (NP (NP (NNS winds)) (CC and) (NP (JJ other) (JJ atmospheric) (NNS phenomena))) (, ,) (CC and) (NP (NN ocean) (NNS waves)))) (. .)))
Its causes include nearby human activities (such as traffic or heavy machinery), winds and other atmospheric phenomena, and ocean waves.
(ROOT (S (NP (JJS Most) (NN ocean) (NNS waves)) (VP (VBP are) (VP (VBN caused) (PP (IN by) (NP (NN wind))))) (. .)))