Complex sentence: The Mr. Sparkle box from "In Marge We Trust" can be seen at the dump, while Groundskeeper Willie intends to send Sherri and Terri to schools in North Haverbrook and Ogdenville; both towns were mentioned in "Marge vs. the Monorail".
Split into simpler sentences: The Mr. Sparkle box from "In Marge We Trust" can be seen at the dump. Willy sends Sherri and Terri to schools in North Haverbrook and Ogdenville; both towns were mentioned in "Marge vs. the Monorail".