Complex sentence: Cemil Bayik was sent to Urfa, Kemal Pir was sent to Mus, Hakki Karer to Batman and Ali Haydar Kaytan to Tunceli, they then started student organisations which talked to local workers and farmers about Kurdish rights.
Split into simpler sentences: Cemil Bayik was sent to Urfa, Kemal Pir to Mus, Hakki Karer to Batman and Ali Haydar Kaytan to Tunceli. They then started student organisations which talked to local workers and farmers about Kurdish rights.