Complex sentence: On 5 January 2012, Frankie Cocozza entered Celebrity Big Brother 9 (3) (4) and was runner up to Denise Welch on 27 January 2012.
Split into simpler sentences: On 5 January 2012, Frankie Cocozza entered Celebrity Big Brother 9. He finished runner up to Denise Welch on 27 January 2012.