( Neutrons ( ( are ( ( neutral particles ) ( in ( ( the nucleus ) ( of ( the atom ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Neutrons)) (VP (VBP are) (NP (NP (JJ neutral) (NNS particles)) (PP (IN in) (NP (NP (DT the) (NN nucleus)) (PP (IN of) (NP (DT the) (NN atom))))))) (. .)))
Neutrons are neutral particles in the nucleus of the atom.
(ROOT (S (NP (NP (DT The) (NN atom)) (PP (IN in) (NP (DT a) (NN neutron)))) (VP (VBZ is) (VP (VBN found) (PP (IN in) (NP (DT the) (DT the) (NN nucleus))))) (. .)))