( ( A solution ) ( ( is ( ( a ( homogeneous mixture ) ) ( ( in which ) ( ( ( ( ( ( ( one or ) more ) substances ) , ) ( called ( solutes ( are ( said ( to ( be ( dissolved ( in ( another substance ) ) ) ) ) ) ) ) ) ) , ) ( called ( the solvent ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN solution)) (VP (VBZ is) (NP (NP (DT a) (JJ homogeneous) (NN mixture)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (NP (QP (CD one) (CC or) (JJR more)) (NNS substances)) (, ,) (VP (VBN called) (SBAR (S (NP (NNS solutes)) (VP (VBP are) (VP (VBN said) (S (VP (TO to) (VP (VB be) (VP (VBN dissolved) (PP (IN in) (NP (DT another) (NN substance)))))))))))) (, ,)) (VP (VBD called) (NP (DT the) (JJ solvent))))))) (. .)))
A solution is a homogeneous mixture in which one or more substances, called solutes are said to be dissolved in another substance, called the solvent .
(ROOT (S (NP (DT A) (NN solution)) (VP (VBZ forms) (SBAR (WHADVP (WRB when)) (S (NP (CD one) (NN substance)) (VP (VBZ dissolves) (PP (IN into) (NP (DT another))))))) (. .)))
A solution forms when one substance dissolves into another.