Original sentence: The main football club in Knin is NK Dinara, which was formed in 1913
Edited sentence: Many loyal supporters believe the club should change its colours back to black and white because it's tradition and that politics should not be brought into sport.NK Dinara's colours were black and white until 2005 when the club changed its colours to red, white and blue which resembles the Croatian flag.The club was formed in 1913.The main football club in Knin is NK Dinara