( ( ion A ) ( ( ( negatively or ) ( positively ( charged atom ) ) ) . ) )
(ROOT (S (NP (NNP ion) (NNP A)) (VP (VP (VBZ negatively)) (CC or) (VP (ADVP (RB positively)) (VBD charged) (NP (NN atom)))) (. .)))
ion A negatively or positively charged atom.
(ROOT (S (NP (DT An) (NN ion)) (VP (VBZ is) (NP (NP (DT an) (NN atom) (CC or) (NN group)) (PP (IN of) (NP (NP (VBN bonded) (NNS atoms)) (SBAR (WHNP (WDT that)) (S (VP (VBZ has) (NP (DT a) (ADJP (JJ positive) (CC or) (JJ negative)) (NN charge))))))))) (. .)))