Assertion: baking powder's ingredient | /r/HasProperty | baking soda
Facets:
Source sentences:
text: Baking powders are all made up of the same ingredients: baking soda, an acid and a dried starch or filler.
text: Ingredients: baking soda, cream of tartar.
text: Usually homemade baking powder is made of three ingredients: baking soda, cream of tartar (a dry acid available at any grocery store), and a starch.