( ( Index Ozone ) ( ( is ( ( a ( gaseous molecule ) ) ( consisting ( of ( ( three atoms ) ( of ( oxygen ( -LRB- ( O3 -RRB- ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Index) (NNP Ozone)) (VP (VBZ is) (NP (NP (DT a) (JJ gaseous) (NN molecule)) (VP (VBG consisting) (PP (IN of) (NP (NP (CD three) (NNS atoms)) (PP (IN of) (NP (NP (NN oxygen)) (PRN (-LRB- -LRB-) (NP (NNP O3)) (-RRB- -RRB-))))))))) (. .)))
Index Ozone is a gaseous molecule consisting of three atoms of oxygen (O3).
(ROOT (S (NP (CD Three) (NN oxygen) (NNS ions)) (VP (VBP make) (PRT (RP up)) (NP (DT an) (NN ozone) (NN molecule))) (. .)))