Complex sentence: Rocco sells Ziggy a large amount of counterfeit money and then forces Frank, who has skills as a seaman, to take him and his henchmen back to Cuba on a small boat belonging to the hotel.
Split into simpler sentences: Rocco sells Ziggy a large amount of counterfeit money. Rocco forces Frank, who has skills as a seaman, to take him and his henchmen back on a small boat belonging to the hotel.