Complex sentence: In December 2014, he was at guest at a national TV talk show, Nedjeljom u 2, which is the most popular TV talk show in Croatia and it pushed Markovina into mainstream media.
Split into simpler sentences: In December 2014, he was at guest at a national TV talk show, Nedjeljom u 2. It is the most popular TV talk show in Croatia and it pushed Markovina into mainstream media.