给出一个英文段落，让GPT模型根据上下文挖掘出段落的主旨。



Pizza is the ultimate fast food. It’s hot, tasty, quick, and you can choose from a million toppings. Plus, it’s a great social food. You can share it with friends, or just eat it while you’re chatting about the latest episode of your favourite show. But there’s more to pizza than just being a delicious snack. Pizza has a long and interesting history, going all the way back to ancient Rome, where people of all classes enjoyed flatbreads with various toppings.
The main idea of the paragraph is that pizza is a popular and versatile fast food with a wide variety of toppings and is enjoyed socially. Additionally, the paragraph touches on the history of pizza, tracing it back to ancient Rome.