( ( A solution ) ( ( is ( ( a ( homogeneous mixture ) ) ( of ( ( ( ( two or ) more ) substances ) ( in ( a ( single phase ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN solution)) (VP (VBZ is) (NP (NP (DT a) (JJ homogeneous) (NN mixture)) (PP (IN of) (NP (NP (QP (CD two) (CC or) (JJR more)) (NNS substances)) (PP (IN in) (NP (DT a) (JJ single) (NN phase))))))) (. .)))
A solution is a homogeneous mixture of two or more substances in a single phase.
(ROOT (S (NP (NN Solution)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT a) (JJ homogeneous) (NN mixture)) (PP (IN of) (NP (QP (CD two) (CC or) (JJR more)) (NNS substances))))))) (. .)))
Solution is the term for a homogeneous mixture of two or more substances.