Complex sentence: On 21 January 2008, she was a guest on the television show "This Morning", where she discussed a mystery illness she had been suffering from for the past 14 months that had left her unable to work and that doctors had been unable to diagnose.
Split into simpler sentences: On 21 January 2008, Guest was a guest on the television show "This Morning". She discussed a mystery illness she had been suffering from for the past 14 months that had left her unable to work and that doctors had been unable to diagnose.