Complex sentence: The cartoons are set in a small town, Toonerville, which appears to operate in its own little universe, and the gentle humor of the feature dealt with the antics of the various denizens and featured semi-realistic situations.
Split into simpler sentences: The cartoons are set in the small town of Toonerville, which appears to operate in its own little universe. The gentle humor of the feature dealt with the antics of the various denizens and featured semi-realistic situations.