Complex sentence: Jones was an honorary chairperson for the Susan G. Komen Breast Cancer Foundation's Chicago Race for the Cure, an annual event that raises awareness and money for breast cancer research and she donated a mobile mammography motor coach to Cook County Hospital.
Split into simpler sentences: Jones was an honorary chairperson for the Susan G. Komen Breast Cancer Foundation's Chicago Race for the Cure, an annual event that raises awareness and money for breast cancer research. Jones also donated a mobile mammography motor coach to Cook County Hospital.