Complex sentence: Kenwood was once one of Chicago's most affluent neighborhoods, and it still contains some of the largest single-family homes in the city and s two Chicago Landmark districts, Kenwood and North Kenwood.
Split into simpler sentences: Kenwood was once one of Chicago's most affluent neighborhoods, and it still has some of the largest single-family homes in the city. It contains two Chicago Landmark districts, Kenwood and North Kenwood.