( ( A substance ) ( ( can ( be ( ( classified ( as ( an electrolyte ) ) ) ( if ( it ( produces ( ions ( when ( it ( is ( dissolved ( in water ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN substance)) (VP (MD can) (VP (VB be) (VP (VBN classified) (PP (IN as) (NP (DT an) (NN electrolyte))) (SBAR (IN if) (S (NP (PRP it)) (VP (VBZ produces) (NP (NP (NNS ions)) (SBAR (WHADVP (WRB when)) (S (NP (PRP it)) (VP (VBZ is) (VP (VBN dissolved) (PP (IN in) (NP (NN water)))))))))))))) (. .)))
A substance can be classified as an electrolyte if it produces ions when it is dissolved in water.
(ROOT (S (NP (DT A) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (NN electrolyte)) (VP (VBZ is) (NP (NP (DT a) (NN compound)) (SBAR (WHNP (WDT that)) (S (VP (MD can) (VP (VB form) (NP (NNS ions)) (SBAR (WHADVP (WRB when)) (S (NP (PRP it)) (VP (VBZ dissolves) (PP (IN in) (NP (NP (NN water)) (VP (VBN called))))))))))))) (. .)))