Ключевые слова: 1, april, background, balls, blackboard, card, celebration, color, comedy, composition, day, decor, different, disguise, entertainment, event, eyeglasses, festive, first, flat, fool, fooling, fools, fun, funny, green, greeting, happiness, happy, holiday, humor, humorous, joke, joy, kidding, lay, many, nobody, nose, object, party, pig, prank, serpentine, spring, text, top, trick, view, whistles,