Ключевые слова: 1, 1st, april, background, card, celebrate, celebration, color, comedy, composition, concept, date, day, design, drawing, drawn, event, faces, festive, first, fool, fooling, fools, fun, funny, green, happy, holiday, humor, humorous, humour, idea, image, joke, joking, joy, kidding, monsters, nobody, object, paper, party, prank, sheet, spring, text, top, trick, view,