( ( Notice ( ( the ( Hydrogen atom ) ) ( with ( one electron ) ) ) ) . )
(ROOT (NP (NP (NNP Notice)) (NP (NP (DT the) (JJ Hydrogen) (NN atom)) (PP (IN with) (NP (CD one) (NN electron)))) (. .)))
Notice the Hydrogen atom with one electron .
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD one) (NNS electrons)) (PP (IN in) (NP (DT the) (NN hydrogen) (NN atom))))) (. .)))