Task: Text Simplification
Input (English): the formation of armenian revolutionary groups began roughly around the end of the russo-turkish war of 1878 and intensified with the first introduction of article 166 of the ottoman penal code 166 , and the raid of erzerum cathedral.
Output (English): armenian revolutionary groups were formed around the end of the russo-turkish war of 1878 and got stronger with the first introduction of article 166 of the ottoman penal code 166 , and the raid of erzerum cathedral.