( Ions ( ( are ( atoms ( that ( have ( ( an ( electrical charge ) ) ( -LRB- ( ( either ( ( positive or ) negative ) ) -RRB- ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Ions)) (VP (VBP are) (NP (NP (NNS atoms)) (SBAR (WHNP (WDT that)) (S (VP (VBP have) (NP (NP (DT an) (JJ electrical) (NN charge)) (PRN (-LRB- -LRB-) (ADJP (DT either) (JJ positive) (CC or) (JJ negative)) (-RRB- -RRB-)))))))) (. .)))
Ions are atoms that have an electrical charge (either positive or negative).
(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))))))))) (. .)))