Complex sentence: Ohuruogu, Jessica Ennis, Phillips Idowu, Germaine Mason and Paula Radcliffe are the athletes with the greatest chance of winning a medal, and the team includes the defending 400m gold and silver medallists, Ohuruogu and Nicola Sanders, respectively.
Split into simpler sentences: Ohuruogu, Jessica Ennis, Phillips Idowu, and Paula Radcliffe are the athletes with the greatest chance of winning a medal. The team includes the defending 400 m gold and silver medallists, Ohuruogu and Nicola Sanders, respectively.