Input (grade 12): Eight of these cities continued to show interest in hosting the event including Berlin, Hamburg, Hanover, Gelsenkirchen, DÃ 1\/4 sseldorf, Cologne, Frankfurt and Munich.
Output (grade 10): Eight cities showed interest of hosting the Eurovision Song Contest 2011: Berlin, Hamburg, Hanover, Gelsenkirchen, DÃ 1\/4 sseldorf, Cologne, Frankfurt, Munich.