( Antarctica ( ( is ( ( a continent ) ( in ( ( it 's ) ( own right ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Antarctica)) (VP (VBZ is) (NP (NP (DT a) (NN continent)) (PP (IN in) (NP (NP (PRP it) (POS 's)) (JJ own) (NN right))))) (. .)))
Antarctica is a continent in it's own right.
(ROOT (S (NP (NNP Antarctica)) (VP (VBZ is) (NP (NP (DT the) (JJ only) (NN continent)) (PP (IN without) (NP (NNS amphibians))))) (. .)))