( ( ( Background Solution ) ( of ( Liquids ( A solution ) ) ) ) ( ( is ( formed ( when ( ( a ( ( -LRB- ( ( usually solid ) -RRB- ) ) solute ) ) ( is ( dissolved ( in ( a ( liquid solvent ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (JJ Background) (NN Solution)) (PP (IN of) (NP (NNP Liquids) (DT A) (NN solution)))) (VP (VBZ is) (VP (VBN formed) (SBAR (WHADVP (WRB when)) (S (NP (DT a) (PRN (-LRB- -LRB-) (ADJP (RB usually) (JJ solid)) (-RRB- -RRB-)) (NN solute)) (VP (VBZ is) (VP (VBN dissolved) (PP (IN in) (NP (DT a) (JJ liquid) (NN solvent))))))))) (. .)))
Background Solution of Liquids A solution is formed when a (usually solid) solute is dissolved in a liquid solvent .
(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))))))) (. .)))