( ( Solvent ( ( A liquid ) ( that ( ( ( dissolves ( another substance ) ) ( -LRB- ( ( or substances ) -RRB- ) ) ) ( to ( form ( a solution ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Solvent) (NP (NP (DT A) (NN liquid)) (SBAR (WHNP (WDT that)) (S (VP (VP (VBZ dissolves) (NP (DT another) (NN substance))) (PRN (-LRB- -LRB-) (CC or) (VB substances) (-RRB- -RRB-)) (S (VP (TO to) (VP (VB form) (NP (DT a) (NN solution)))))))))) (. .)))
Solvent A liquid that dissolves another substance (or substances) to form a solution .
(ROOT (S (NP (DT A) (NN solution)) (VP (VBZ forms) (SBAR (WHADVP (WRB when)) (S (NP (DT a) (NN solute)) (VP (VBZ dissolves) (PP (IN in) (NP (DT a) (JJ solvent))))))) (. .)))