Complex sentence: Official results showed Biya winning the election with 40% of the vote, while Fru Ndi trailed with 36%; those results were denounced as fraudulent by the opposition, and Fru Ndi claimed victory, but his claim proved fruitless.
Split into simpler sentences: Official results showed Biya winning the election with 40% of the vote, while Fru Ndi trailed with 36%. The results were denounced as fraudulent by the opposition, and Fru Ndi claimed victory, but his claim proved fruitless.