( ( ( ( Neptune Neptune ) , ) ( ( the ( eigth planet ) ) ( from ( the Sun ) ) ) ) ( ( is ( ( a ( gasous world ) ) ( of ( blue methane ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Neptune) (NNP Neptune)) (, ,) (NP (NP (DT the) (JJ eigth) (NN planet)) (PP (IN from) (NP (DT the) (NNP Sun))))) (VP (VBZ is) (NP (NP (DT a) (JJ gasous) (NN world)) (PP (IN of) (NP (JJ blue) (NN methane))))) (. .)))
Neptune Neptune , the eigth planet from the Sun is a gasous world of blue methane.
(ROOT (S (NP (NP (DT The) (JJ eighth) (NN planet)) (PP (IN from) (NP (PRP$ our) (NN sun)))) (VP (VBZ is) (ADJP (JJ neptune))) (. .)))
The eighth planet from our sun is neptune.