Nagorno-Karabakh conflict
The Nagorno-Karabakh conflict is an ethnic and territorial conflict between Armenia and Azerbaijan over the disputed region of Nagorno-Karabakh , inhabited mostly by ethnic Armenians , and seven surrounding districts , inhabited mostly by Azerbaijanis until their expulsion during the First Nagorno-Karabakh War , which are "de facto" controlled by the self-declared Republic of Artsakh , but are internationally recognized as "de jure" part of Azerbaijan . 
<triplet> Nagorno-Karabakh conflict <subj> ethnic <obj> instance of <triplet> First Nagorno-Karabakh War <subj> Nagorno-Karabakh conflict <obj> part of <subj> Armenia <obj> participant <subj> Azerbaijan <obj> participant