( ( ( Beat ( the mixture ) ) ( till ( sugar dissolves ) ) ) . )
(ROOT (S (VP (VB Beat) (NP (DT the) (NN mixture)) (PP (IN till) (NP (NN sugar) (NNS dissolves)))) (. .)))
Beat the mixture till sugar dissolves.
(ROOT (S (NP (NP (NNP Sugar) (NNS crystals)) (VP (VBG dissolving) (PP (IN in) (NP (NN water))))) (VP (VBZ is) (NP (NP (DT an) (NN example)) (PP (IN of) (NP (NP (DT the) (NN formation)) (PP (IN of) (NP (DT a) (NN mixture))))))) (. .)))