David Alechenu Bonaventure Mark (bii ni Osu kerin Odun 1948) je ologun ti o ti fehinti ati oloselu omo orile ede Naijiria ti won dibo yan wole gege bi asoju Ipinle Benue ni ile igbimo asofin agba ti ile Naijiria.. 
The official languages are Spanish and guArani, both being widely spoken in the country, with around 92% of the general population speaking Spanish and 98% speaking guArani.. 