( ( The nucleus ) ( ( consists ( of ( ( ( ( positively charged ) protons ) and ) ( ( neutral ( -LRB- ( ( not charged ) -RRB- ) ) ) neutrons ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN nucleus)) (VP (VBZ consists) (PP (IN of) (NP (NP (ADJP (ADVP (RB positively)) (VBN charged)) (NNS protons)) (CC and) (NP (ADJP (ADJP (JJ neutral)) (PRN (-LRB- -LRB-) (ADJP (RB not) (VBN charged)) (-RRB- -RRB-))) (NNS neutrons))))) (. .)))
The nucleus consists of positively charged protons and neutral (not charged) neutrons.
(ROOT (S (NP (DT A) (NN neutron)) (VP (VBZ has) (NP (ADJP (JJ neutral) (CC or) (DT no)) (NN charge))) (. .)))