In this task, you're given a sentence and your task is to generate a simplified sentence that focuses on lexical paraphrasing from the original sentence given in the input.

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.
the formation of armenian revolutionary groups began around the end of the russo-turkish war of 1878 , and strengthened with the first establishment of article 166 of the ottoman penal code 166 , and the raid of erzerum cathedral.