Complex sentence: Ogun Festival is an annual festival observed by the Yoruba people of Ondo State, Nigeria in honour of Ogun, a warrior and powerful spirit of metal work believed by the Yoruba to be the first god to arrive the earth.
Split into simpler sentences: Ogun Festival is an annual festival observed by the Yoruba people of Ondo State, Nigeria in honour of Ogun a warrior and a powerful spirit of metal work. He is believed to be the first god to arrive the earth.