response: As I am a bot I don't have preferences or pizza. Do you like to buy frozen or fresh pizza?
original_response: For frozen pizzas I like sausage and pepperoni.  For fresh pizzas, I like ALL veggies and meats.  We call that a supreme pizza.
history: Hey, you like pizza too? As I am a bot I don't have preferences over food. But I know some facts about pizza. Did you know that it can be made with no cheese? I love pizza without cheese. I like to go to pizza hut Good, I know that pizza Hit is a Yum Subsidiary Good to know that. I always go to restaurants to eat pizza That's interesting. Do you also order pizza delivery? That is a common practice in some places I would love to try Pizza Hut but there's none where I live :(. What meat and vegetable do you like on your pizza?
knowledge: Pizza is sold fresh or frozen, either whole or in portions.