( ( Neutrons ( ( are never ) charged ) ) ( , ( they ( ( are neutral ) . ) ) ) )
(ROOT (S (S (NP (NNS Neutrons)) (VP (VBP are) (ADVP (RB never)) (VP (VBN charged)))) (, ,) (NP (PRP they)) (VP (VBP are) (ADJP (JJ neutral))) (. .)))
Neutrons are never charged, they are neutral.
(ROOT (S (NP (DT A) (NN neutron)) (VP (VBZ has) (NP (ADJP (JJ neutral) (CC or) (DT no)) (NN charge))) (. .)))