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 began forming around the end of the russ0-turkish war of 1878 and these formations increased with the intoduction of ottoman penal code 166 , as well as the raid on erzerum cathedral.