Complex sentence: "UNTITLED 4 ballads" was the 23rd single by the Japanese j-pop group Every Little Thing, released on December 18,2002, and their fifth single to top the Oricon chart.
Split into simpler sentences: Untitled 4 ballads is a song by Japanese j-pop group Every Little Thing, released on December 18,2002, as their twenty-third single. It was their fifth single to top the Oricon chart.