( ( The ( highest ones ) ) ( ( ( rise ( above ( ( the surface ) ( of ( the water ) ) ) ) ) ( as ( ( islands , ) ( which ( ( in ( many cases ) ) ( linear ( groups ( such ( as ( the ( Hawaiian Islands ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJS highest) (NNS ones)) (VP (VBP rise) (PP (IN above) (NP (NP (DT the) (NN surface)) (PP (IN of) (NP (DT the) (NN water))))) (PP (IN as) (NP (NP (NNS islands)) (, ,) (SBAR (WHNP (WDT which)) (S (PP (IN in) (NP (JJ many) (NNS cases))) (VP (VBZ linear) (NP (NP (NNS groups)) (PP (JJ such) (IN as) (NP (DT the) (JJ Hawaiian) (NNPS Islands)))))))))) (. .)))
The highest ones rise above the surface of the water as islands, which in many cases linear groups such as the Hawaiian Islands.
(ROOT (S (NP (NP (NNS Seamounts)) (SBAR (WHNP (WDT that)) (S (VP (VBP rise) (PP (IN above) (NP (DT the) (NN water) (NN surface))))))) (VP (VBP are) (VP (VBN called) (NP (NNS islands)))) (. .)))