( ( ( The section ) ( of ( ( the ridge ) ( that ( includes ( ( the island ) ( of Iceland ) ) ) ) ) ) ) ( ( ( is also ) ( known ( as ( the ( Reykjanes Ridge ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN section)) (PP (IN of) (NP (NP (DT the) (NN ridge)) (SBAR (WHNP (WDT that)) (S (VP (VBZ includes) (NP (NP (DT the) (NN island)) (PP (IN of) (NP (NNP Iceland)))))))))) (VP (VBZ is) (ADVP (RB also)) (VP (VBN known) (PP (IN as) (NP (DT the) (NNP Reykjanes) (NNP Ridge))))) (. .)))
The section of the ridge that includes the island of Iceland is also known as the Reykjanes Ridge.
(ROOT (S (NP (NNP Iceland)) (VP (VBZ sits) (PP (IN on) (NP (DT the) (JJ mid-atlantic) (NN ridge)))) (. .)))