Complex sentence: After overhearing Cartman leading the children in a song degrading her, Sheila has Dr. Vosknocker implant a V-Chip in, which gives Cartman an electric shock every time he swears.
Split into simpler sentences: After overhearing Cartman leading the children in a song degrading her, Sheila has Dr. Vosknocker implant a V-Chip. The device gives Cartman an electric shock every time he swears.