Complex sentence: There is an annual, two-day, Ohworu festival in Evwreni, the southern part of the Urhobo area when the Ohworhu water spirit and the Eravwe Oganga are displayed.
Split into simpler sentences: There is an annual, two-day, festival, called Ohworu, in Evwreni, the southern part of the Urhobo area. It is during this festival that the Ohworhu water spirit and the Eravwe Oganga are displayed.