Assertion: opec basket | /r/HasProperty | orb
Facets:
Source sentences:
text: The OPEC basket is also known as the OPEC reference basket or the OPEC reference basket of crude (ORB).
text: The OPEC Reference Basket (ORB), also referred to as the OPEC Basket, is a weighted average of prices for petroleum blends produced by OPEC members.