( Nitrogen ( ( is ( ( an ( ( ( ( ( ( ( ( ( ( odorless , ) colorless ) , ) tasteless ) , ) nontoxic ) , ) and ) ( almost ( totally inert ) ) ) gas ) ) ( that ( ( makes up ) ( ( 78 percent ) ( of ( ( the ( earth 's ) ) atmosphere ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Nitrogen)) (VP (VBZ is) (NP (NP (DT an) (ADJP (ADJP (JJ odorless)) (, ,) (ADJP (JJ colorless)) (, ,) (ADJP (JJ tasteless)) (, ,) (ADJP (JJ nontoxic)) (, ,) (CC and) (ADJP (RB almost) (RB totally) (JJ inert))) (NN gas)) (SBAR (WHNP (WDT that)) (S (VP (VBZ makes) (PRT (RP up)) (NP (NP (CD 78) (NN percent)) (PP (IN of) (NP (NP (DT the) (NN earth) (POS 's)) (NN atmosphere))))))))) (. .)))
Nitrogen is an odorless, colorless, tasteless, nontoxic, and almost totally inert gas that makes up 78 percent of the earth's atmosphere.
(ROOT (S (NP (NN Nitrogen) (NN gas)) (VP (VBZ comprises) (NP (NP (QP (RB about) (NNS three-fourths))) (PP (IN of) (NP (NP (NN earth) (POS 's)) (NN atmosphere))))) (. .)))