nigerian	niger	0.1374
president	presid	0.1374
president nigerian	presid niger	0.1374
Moscow	moscow	0.1374
visit	visit	0.1374
Olusegun Obasanjo	olusegun obasanj	0.1374
Russian	rus	0.1374
premiere	prem	0.1374
east	east	0.1374
official visit	off visit	0.1374
country	countr	0.0497