( ( ( Heterogeneous ( Mixture Mixture ) ) ( in ( which ( ( the ( ( properties and ) composition ) ) ( ( are not ) ( uniform ( throughout ( the sample ) ) ) ) ) ) ) ) . )
(ROOT (NP (NP (NNP Heterogeneous) (NNP Mixture) (NNP Mixture)) (PP (IN in) (SBAR (WHNP (WDT which)) (S (NP (DT the) (NNS properties) (CC and) (NN composition)) (VP (VBP are) (RB not) (ADJP (JJ uniform) (PP (IN throughout) (NP (DT the) (NN sample)))))))) (. .)))
Heterogeneous Mixture Mixture in which the properties and composition are not uniform throughout the sample.
(ROOT (S (NP (NNS Heterogeneous)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT a) (NN mixture)) (SBAR (WHNP (WDT that)) (S (VP (VBZ varies) (PP (IN in) (NP (PRP$ its) (NN composition)))))))))) (. .)))