Complex sentence: As a result, Richmond sued NASCAR because of the suspension in April 1988, denying that drugs had played any part in his illness, case was settled out of court, and Richmond was reinstated in June of 1988.
Split into simpler sentences: As a result, Richmond sued NASCAR because of the suspension in April 1988, denying that drugs had played any part in his illness. The case was settled out of court, and Richmond was reinstated in June of 1988.