Assertion: yam | /r/HasProperty | main staple crop of the igbos
Facets:
value: in south eastern nigeria
type: LOCATION
Source sentences:
text: Yam is the main staple crop of the Igbos in south eastern Nigeria where for centuries it played a dominant role in both their agricultural and cultural life.
text: Yam is the main staple crop of the Igbos in south eastern Nigeria where for centuries it played a dominant role in both their agricultural and cultural life.