Complex sentence: In October 1922 Roosevelt visited his law office at the Equitable Building, where a welcome-back luncheon had been arranged, but the chauffeur assisting him failed to brace the tip of his left crutch and Roosevelt fell onto the highly polished lobby floor.
Split into simpler sentences: In October 1922, Roosevelt visited his law office at the Equitable Building, where a welcome-back luncheon had been arranged. The chauffeur assisting him failed to brace the tip of his left crutch and Roosevelt fell onto the highly-polished lobby floor.