Assertion: sweet potato | /r/MadeOf | iron
Facets:
Source sentences:
text: vitamin C. They also contain iron, calcium, protein, and beneficial amino acids.
text: In addition to the punch of nutrients, the sweet potatoes also contain riboflavin, phosphorus, vitamin E, calcium, and iron, which prevents various health issues.
text: Sweet potatoes contain vitamin A, vitamin C, manganese, fiber, B vitamins, potassium and even iron.