( Originally ( , ( ( the island ) ( ( ( ( was ( ( a breakwater ) ( for ( the ( Oostelijke Handelskade ) ) ) ) ) , ) ( just ( like ( the ( adjacent ( Java Island ) ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Originally)) (, ,) (NP (DT the) (NN island)) (VP (VBD was) (NP (NP (DT a) (NN breakwater)) (PP (IN for) (NP (DT the) (NNP Oostelijke) (NNP Handelskade)))) (, ,) (ADVP (RB just) (PP (IN like) (NP (DT the) (JJ adjacent) (NNP Java) (NNP Island))))) (. .)))
Originally, the island was a breakwater for the Oostelijke Handelskade, just like the adjacent Java Island.
(ROOT (S (NP (NP (NNS Structures)) (SBAR (WHNP (WDT that)) (S (VP (VB protect) (NP (DT the) (NN coast)) (PP (IN like) (NP (NN barrier) (NNS islands))))))) (VP (VBP are) (VP (VBN called) (NP (NNS breakwaters)))) (. .)))