The conversation between human and AI assistant.
[|Human|] What was Nikola PoplaÅ¡en's profession?
[|AI|] Nikola PoplaÅ¡en was a Bosnian Serb politician, president of the Republika Srpska from late 1998 to 1999.
[|Human|] 
What was Nikola PoplaÅ¡en's profession?