Complex sentence: In popular folklore Befana visits all the children of Italy on the eve of the Feast of the Epiphany to fill their socks with candy and presents if they are good or a lump of coal or dark candy if they are bad.
Split into simpler sentences: In popular folklore Befana visits all the children of Italy on the eve of the Feast of the Epiphany to fill their stockings with candy and presents if they are good. Or a lump of coal or dark candy if they are bad.