( ( The ( Martian ( Chronicle ( Introduction Mars ) ) ) ) ( ( ( ( is ( ( the ( fourth planet ) ) ( from ( the Sun ) ) ) ) and ) ( ( is commonly ) ( ( referred to ) ( as ( the ( Red Planet ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP Martian) (NNP Chronicle) (NNP Introduction) (NNP Mars)) (VP (VP (VBZ is) (NP (NP (DT the) (JJ fourth) (NN planet)) (PP (IN from) (NP (DT the) (NNP Sun))))) (CC and) (VP (VBZ is) (ADVP (RB commonly)) (VP (VBN referred) (S (VP (TO to))) (PP (IN as) (NP (DT the) (NNP Red) (NN Planet)))))) (. .)))
The Martian Chronicle Introduction Mars is the fourth planet from the Sun and is commonly referred to as the Red Planet.
(ROOT (S (NP (NNP Mars)) (VP (VBZ is) (NP (NP (DT the) (JJ fourth) (NN planet)) (PP (IN from) (NP (DT the) (NN sun))))) (. .)))