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Bena (Bəna, a.k.a. Binna, Buna, Ebina, Ebuna, Gbinna, "Lala", Purra, Yangeru, Yongor, Yungur) is an Adamawa language of Nigeria.
Bena-Yungur has a 3-tone system.
The Yungur people are majorly located in Song, local government of Adamawa state, constituting 75% of the total population of the Local area.
References
Bena at Ethnologue (18th ed., 2015) (subscription required)
Blench, Roger (2019). An Atlas of Nigerian Languages (4th ed.). Cambridge: Kay Williamson Educational Foundation.