( ( ( The ( Atomic ( Nucleus ( and ( Radioactivity Activity ) ) ) ) ) 8 ) . )
(ROOT (NP (NP (DT The) (JJ Atomic) (NNP Nucleus) (CC and) (NNP Radioactivity) (NNP Activity)) (NP (CD 8)) (. .)))
The Atomic Nucleus and Radioactivity Activity 8.
(ROOT (S (NP (NNP Radioactivity)) (VP (VP (VBZ is) (NP (NP (DT the) (NN release)) (PP (IN of) (NP (NNS particles))))) (CC and/or) (VP (NP (NN energy)) (PP (IN from) (NP (NP (DT the) (NN nucleus)) (PP (IN of) (NP (DT an) (NN atom))))))) (. .)))