( Neutrons ( ( ( are electrically ) neutral ) . ) )
(ROOT (S (NP (NNS Neutrons)) (VP (VBP are) (ADVP (RB electrically)) (ADJP (JJ neutral))) (. .)))
Neutrons are electrically neutral.
(ROOT (S (NP (NNS Neutrons)) (VP (VBP are) (ADVP (RB electrically)) (ADJP (JJ neutral))) (. .)))