Complex sentence: President Clinton then shows up at the Simpsons to see Lisa and presents her with a plaque, saying that Ogdenville was wrong to use glowsticks and that Springfield Elementary's band is the true champion.
Split into simpler sentences: President Clinton then shows up at the Simpsons's house to see Lisa, presenting her with a plaque. Clinton says that Ogdenville was wrong to use glowsticks and that Springfield Elementary's band is the true champion.