Assertion: cassava's amount | /r/CapableOf | play substantial role
Facets:
value: in sustaining the agricultural sector
type: LOCATION
value: as source of farm labor
type: PURPOSE
Source sentences:
text: Proximity to the international border between Nigeria and Benin hosts a substantial amount of immigrant farmers and farm laborers from Togo and Benin who play a substantial role in sustaining the agricultural sector through direct production and as source of farm labor (Agbonlahor and Enilolobo 2013).