Assertion: dandelion's leaf | /r/MadeOf | calcium
Facets:
Source sentences:
text: The leaves also contain several important minerals, including calcium, iron, magnesium, phosphorus, and potassium.
text: The leaves contain vitamins A, C, D and B complex, as well as the minerals iron, zinc, magnesium, potassium, copper, calcium, chlorine, silicon and boron.