Complex sentence: His main challenger was considered to be Deputy Foreign Minister Masis Mayilyan; parliament deputy Armen Abgaryan, Communist Party of Artsakh leader Hrant Melkumyan and Vanya Avanesyan, a professor at Artsakh State University, were also candidates.
Split into simpler sentences: His main challenger was considered to be Deputy Foreign Minister Masis Mayilyan. Parliament deputy Armen Abgaryan, Communist Party of Artsakh leader Hrant Melkumyan, and Vanya Avanesyan, a professor at Artsakh State University, were also candidates.