( ( ( ( ( Add ( the yeast ) ) ( to ( the ( warm ( sugar-water mixture ) ) ) ) ) and ) ( let ( it dissolve ) ) ) . )
(ROOT (S (VP (VP (VB Add) (NP (DT the) (NN yeast)) (PP (TO to) (NP (DT the) (JJ warm) (JJ sugar-water) (NN mixture)))) (CC and) (VP (VB let) (S (NP (PRP it)) (VP (VB dissolve))))) (. .)))
Add the yeast to the warm sugar-water mixture and let it dissolve.
(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))))))) (. .)))