Lucy and Oscar walk into a small, exclusive art supply shop. ‑ Oscar! You're back again. Remember, the limit is still three items per customer. ‑ You always say that! These paints are perfect for my new masterpiece, and I need at least ten colors. ‑ Just pick what you need, and let's go. I'm hungry. ‑ Art has no limits! How can you put a limit on art supplies? ‑ Sorry, Oscar. Three items. Same rule as always. ‑ This is the most beautiful shop in the city! Surely you can make one small exception for a real artist? ‑ Thanks for the kind words, but no. ‑ Oscar, stop. Pick three colors, and let's go. ‑ Fine. Lucy, you're a customer too. Buy three items for me, and then I'll have six. ‑ OK, I'll buy three items. But they'll...