Assertion: sweet potato | /r/MadeOf | copper
Facets:
Source sentences:
text: Sweet potatoes contain beta-carotene, anthocyanins, phytonutrients, sporamins (storage proteins), vitamin A, vitamin C, manganese, copper, pantothenic acid, vitamin B6, potassium, dietary fiber, niacin, vitamin B1, vitamin B2, phosphorus, and approximately 180 calories per 200 grams.