( ( ( Ion : ) ( ( An ( ( atom or ) molecule ) ) ( that ( ( ( ( is not ) ( electrically neutral ) ) but ) ( instead ( carries ( a ( ( ( positive or ) negative ) charge ) ) ) ) ) ) ) ) . )
(ROOT (NP (NP (NNP Ion)) (: :) (NP (NP (DT An) (NN atom) (CC or) (NN molecule)) (SBAR (WHNP (WDT that)) (S (VP (VP (VBZ is) (RB not) (ADJP (ADVP (RB electrically)) (JJ neutral))) (CC but) (VP (ADVP (RB instead)) (VBZ carries) (NP (DT a) (ADJP (JJ positive) (CC or) (JJ negative)) (NN charge))))))) (. .)))
Ion : An atom or molecule that is not electrically neutral but instead carries a positive or negative charge.
(ROOT (S (NP (NNS Atoms)) (VP (VBP carry) (NP (DT a) (JJ neutral) (NN charge))) (. .)))