Yoruba literature
The Yoruba language is spoken in Nigeria , Benin , and Togo , as well as in dispersed Yoruba communities throughout the world . 
<triplet> Yoruba language <subj> Nigeria <obj> country <subj> Benin <obj> country <subj> Togo <obj> country <triplet> Nigeria <subj> Yoruba language <obj> language used <triplet> Benin <subj> Yoruba language <obj> language used