Calvin and Hobbes by Bill Watterson for February 21, 1991
Calvin: My essay is entitled, "After School at my House." Ahem... "It's not that I mind being chained in the basement, it's just that when the meat is thrown down, the rats have the advantage of numbers, and the..." What, Miss Wormwood? Mom: Another parent-techer conference?! Calvin: I told her to expect you to deny everything.