Complex sentence: The Jet Set is a Polish R&B duo which consists of English-born David Junior Serame and Russian-born Sasha Strunin The ban represented Poland in the semi-final of the Eurovision Song Contest 2007 in Helsinki.
Split into simpler sentences: The Jet Set is a Polish R&B duo which consists of English-born David Junior Serame. The band represented Poland in the semi-final of the Eurovision Song Contest 2007 in Helsinki.