Assertion: poppy seed's calcium | /r/HasProperty | mineral
Facets:
Source sentences:
text: Calcium, iron and magnesium are minerals needed by the body to regulate brain activity and the development of neurons.
text: Calcium, iron and copper are three minerals which are found in poppy seeds.
text: Calcium, iron and magnesium are minerals needed by the body to regulate brain activity and the development of neurons.