Complex sentence: The last month of his life, Selby spent in and out of the hospital and died in Highland Park, Los Angeles, on April 26,2004 of chronic obstructive pulmonary disease.
Split into simpler sentences: The last month of his life, Selby spent in and out of the hospital. He died in Highland Park, Los Angeles, on April 26,2004 of chronic obstructive pulmonary disease.