( ( ( Air-sea interaction ) ( at ( the ( ocean-atmosphere interface ) ) ) ) ( ( ( is also ) discussed ) . ) )
(ROOT (S (NP (NP (JJ Air-sea) (NN interaction)) (PP (IN at) (NP (DT the) (JJ ocean-atmosphere) (NN interface)))) (VP (VBZ is) (ADVP (RB also)) (VP (VBN discussed))) (. .)))
Air-sea interaction at the ocean-atmosphere interface is also discussed.
(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)))))) (. .)))