( ( Baking soda ) ( ( is ( ( a ( chemical base ) ) ( that ( ( reacts ( with ( ( the acid ) ( in ( the ( brown sugar ) ) ) ) ) ) ( to ( create ( carbon ( ( dioxide and ) water ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Baking) (NN soda)) (VP (VBZ is) (NP (NP (DT a) (JJ chemical) (NN base)) (SBAR (WHNP (WDT that)) (S (VP (VBZ reacts) (PP (IN with) (NP (NP (DT the) (NN acid)) (PP (IN in) (NP (DT the) (JJ brown) (NN sugar))))) (S (VP (TO to) (VP (VB create) (NP (NN carbon) (NN dioxide) (CC and) (NN water)))))))))) (. .)))
Baking soda is a chemical base that reacts with the acid in the brown sugar to create carbon dioxide and water.
(ROOT (S (NP (NNP Carbon) (NN dioxide)) (ADVP (RB chemically)) (VP (VBP weather) (NP (NNS rocks)) (PP (IN by) (S (VP (VBG creating) (NP (NNS acids)))))) (. .)))