A: I'm on a new diet. B: What are you eating now? A: I switched from pasta to potatoes. B: Why did you do that? A: Pasta is processed food. Potatoes are natural food. B: Natural food has more vitamins. A: And it's just as easy to prepare. B: How do you prepare the potatoes? A: I wash them, and then steam them for 15 minutes. B: That's pretty simple. A: Then I add butter, salt, and pepper. B: Can I have all those cans of tomato sauce you bought for your pasta?