( ( ( A comparison ) ( of ( ( the ( straight ( breakwater ( extension concept ) ) ) ) ( versus ( the ( angled ( breakwater ( extension concept ) ) ) ) ) ) ) ) ( ( revealed ( that ( ( the ( angled structure ) ) ( ( provided ( similar ( wave protection ) ) ) ( in ( ( the ( mooring areas ) ) ( with ( less ( breakwater length ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (NN comparison)) (PP (IN of) (NP (NP (DT the) (JJ straight) (NN breakwater) (NN extension) (NN concept)) (PP (IN versus) (NP (DT the) (JJ angled) (NN breakwater) (NN extension) (NN concept)))))) (VP (VBD revealed) (SBAR (IN that) (S (NP (DT the) (JJ angled) (NN structure)) (VP (VBD provided) (NP (JJ similar) (NN wave) (NN protection)) (PP (IN in) (NP (NP (DT the) (VBG mooring) (NNS areas)) (PP (IN with) (NP (JJR less) (NN breakwater) (NN length))))))))) (. .)))
A comparison of the straight breakwater extension concept versus the angled breakwater extension concept revealed that the angled structure provided similar wave protection in the mooring areas with less breakwater length.
(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)))) (. .)))