Knowledge: The Honda Civic model first came out in 1956. On the other hand, Dr. Pepper released a diet version in 2015.

Conversation:
My favorite soda is Dr. Pepper. Can you tell me about it?
Sure, Dr. Pepper has a unique flavor and is a soft drink that is carbonated. Would you like to know more?
I wonder when it was first invented?
well The drink was created in the 1880s by pharmacist Charles Alderton in Waco, Texas!
Cool, I thought his name would be Pepper, lol. No wonder it is so popular in Texas.
It wasn't marketed nationally until 1904. Nowadays, it's sold in lots of places around the world, including Europe, South America, and Australia!
I have started drinking Diet Dr. Pepper. It is pretty good for a diet drink.
I see, that version doesn't include corn syrup.
Oh, that is good to hear. Do you know when Diet Dr. Pepper first came out?

Response: Yeah, that model came out in 2015.