Assertion: buckwheat | /r/CapableOf | have originated in china
Facets:
Source sentences:
text: Buckwheat (Fagopyrum esculentum), known as kasha in Eastern Europe, is thought to have originated in China and was planted as early as 5,000 to 6,000 years ago.
text: Buckwheat is thought to have originated in China but it most often appears in recipes from Russia, France, and Japan for pancakes, blinis, crêpes, and soba noodles.