Complex sentence: A few days after the final was broadcast the BBC started an investigation into the eligibility of one of the Corpus Christi contestants, Sam Kay, after it was claimed that he graduated in June 2008 despite telling viewers he was studying chemistry.
Split into simpler sentences: A few days after the final was broadcast the BBC started an investigation into the eligibility of one of the Corpus Christi contestants, Sam Kay. It is claimed that he graduated in June 2008 despite telling viewers he was studying chemistry.