Which of the following countries is NOT guaranteed a spot in the final show of the Eurovision 2018?

Explanation

The Eurovision Song Contest 2018 is the 63rd edition of the annual Eurovision Song Contest. The first time in Portugal following the country's first victory at the 2017 contest in Kiev, Ukraine with the song "Amar pelos dois", performed by Salvador Sobral. The contest takes place in the Altice Arena in Lisbon and will consist of two semi-finals on 8 and 10 May and a final on 12 May 2018. The three live shows will be hosted by Filomena Cautela, Sílvia Alberto, Daniela Ruah and Catarina Furtado.