Assertion: medina | /r/HasProperty | known for its medina sandstone
Facets:
Source sentences:
text: Medina is known for its "Medina sandstone" a brown stone used widely in buildings in the region.
text: Medina is known for its Medina Sandstone, a stone used widely in buildings across the region.
text: Medina is known for its Medina Sandstone, a stone used widely in buildings across the region.