( ( ( ozone ( A ( ( highly reactive ) molecule ) ) ) ( containing ( three ( oxygen atoms ) ) ) ) ; )
(ROOT (S (VP (VBG ozone) (NP (DT A) (ADJP (RB highly) (JJ reactive)) (NN molecule)) (S (VP (VBG containing) (NP (CD three) (NN oxygen) (NNS atoms))))) (: ;)))
ozone A highly reactive molecule containing three oxygen atoms;
(ROOT (S (NP (CD Three) (NN oxygen) (NNS ions)) (VP (VBP make) (PRT (RP up)) (NP (DT an) (NN ozone) (NN molecule))) (. .)))