( ( ( The ( largest ( living species ) ) ) ( of turtle ) ) ( ( is ( the ( ocean-going leatherback ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJS largest) (VBG living) (NNS species)) (PP (IN of) (NP (NN turtle)))) (VP (VBZ is) (NP (DT the) (JJ ocean-going) (NN leatherback))) (. .)))
The largest living species of turtle is the ocean-going leatherback.
(ROOT (S (NP (NP (DT The) (NN majority)) (PP (IN of) (NP (NNS species)))) (VP (VBP live) (PP (IN in) (NP (DT the) (NN ocean)))) (. .)))