Complex sentence: In the end the rich man, seeing the sewage on the chauffeur, fires him but then falls straight into the open sewer and the chauffeur replaces the manhole cover and walks away with the coin.
Split into simpler sentences: In the end the rich man, seeing the sewage on the chauffeur, fires him but then falls straight into the open sewer. The chauffeur replaces the manhole cover and walks away with the coin.