Tacos are my favorite food. I love how they come with a corn or wheat or flour tortilla and are rolled around a filling.
Oh, I love tacos. When did they come into existance?
The origins of the taco are unknown.
What else can you tell me about tacos?
It is eaten without utensils and accompanied by things such as salsa, avocado, guacamole, and lettuce.
Is cheddar cheese a common filling as well? 
Not authentically.
What types of meat are typical for fillings?
Beef, pork, chicken, seafood, and even more. Tacos are very versatile!
They sound it. What else do you know about tacos?