( ( ( ( ( Ocean swells ) , ) ( which ( are ( waves ( generated ( by winds ) ) ) ) ) ) , ) ( ( ( ( are ( shown ( throughout ( the image ) ) ) ) but ) ( are ( ( most distinct ) ( in ( ( the ( blue area ) ) ( adjacent ( to ( the ( internal waves ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Ocean) (NNP swells)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBP are) (NP (NP (NNS waves)) (VP (VBN generated) (PP (IN by) (NP (NNS winds)))))))) (, ,)) (VP (VP (VBP are) (VP (VBN shown) (PP (IN throughout) (NP (DT the) (NN image))))) (CC but) (VP (VBP are) (ADJP (ADJP (RBS most) (JJ distinct)) (PP (IN in) (NP (NP (DT the) (JJ blue) (NN area)) (ADVP (JJ adjacent) (PP (TO to) (NP (DT the) (JJ internal) (NNS waves))))))))) (. .)))
Ocean swells, which are waves generated by winds, are shown throughout the image but are most distinct in the blue area adjacent to the internal waves.
(ROOT (S (NP (JJS Most) (NN ocean) (NNS waves)) (VP (VBP are) (VP (VBN caused) (PP (IN by) (NP (NN wind))))) (. .)))