sentences:  Sanda's win was widely contested by several observers including fellow "Selecția Națională" participant .The Eurovision Song Contest 2004 took place at the Abdi İpekçi Arena in Istanbul, Turkey and consisted of one semi-final on 12 May, and the final on 15 May 2004.According to the then-Eurovision rules, selected countries, except the host nation and the "Big Four" (France, Germany, Spain and the United Kingdom), were required to qualify from the semi-final to compete for the final; the top ten countries from the semi-final progressed to the final.