Assertion: saffron | /r/AtLocation | southwest asia
Facets:
Source sentences:
text: Saffron, which has for decades been the world's most expensive spice by weight, is native to Southwest Asia.
text: The saffron crocus is unknown in the wild; its most likely precursor, Crocus cartwrightianus, originated in Crete or Central Asia; The saffron crocus is native to Southwest Asia and was first cultivated in what is now Greece.