Complex sentence: Many scholars believe that the actions of governments can be labeled "terrorism"; however others, including governments, international organizations, private institutions and scholars, believe that the term is only applicable to the actions of violent non-state actors.
Split into simpler sentences: Many scholars believe that the actions of governments can be labeled "terrorism". However, others, including governments, international organizations, private institutions and scholars, believe that the term is only applicable to the actions of violent non-state actors.