( ( Looking ( at ( the ( sea surface ) ) ) ) ( you ( ( might ( think ( that ( ( the ( ( ocean and ) atmosphere ) ) ( are ( independent entities ) ) ) ) ) ) . ) ) )
(ROOT (S (S (VP (VBG Looking) (PP (IN at) (NP (DT the) (NN sea) (NN surface))))) (NP (PRP you)) (VP (MD might) (VP (VB think) (SBAR (IN that) (S (NP (DT the) (NN ocean) (CC and) (NN atmosphere)) (VP (VBP are) (NP (JJ independent) (NNS entities))))))) (. .)))
Looking at the sea surface you might think that the ocean and atmosphere are independent entities.
(ROOT (NP (NP (NNP Ocean) (NNS waves) (NN travel)) (PRN (-LRB- -LRB-) (PRP s) (-RRB- -RRB-)) (PP (IN at) (NP (NP (DT the) (NN interface)) (PP (IN between) (NP (NP (DT the) (NN sea) (NN surface)) (CC and) (NP (DT the) (NN atmosphere)))))) (. .)))