( Ozone ( ( is ( ( a molecule ) ( with ( ( just three ) ( Oxygen atoms ) ) ) ) ) . ) )
(ROOT (S (NP (NN Ozone)) (VP (VBZ is) (NP (NP (DT a) (NN molecule)) (PP (IN with) (NP (QP (RB just) (CD three)) (NNP Oxygen) (NNS atoms))))) (. .)))
Ozone is a molecule with just 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))) (. .)))