<human>:  What is the formula for Dr Pepper?
<bot>: Dr Pepper is a soft drink that was first created in 1885 by Charles Alderton in Waco, Texas. It is a blend of cola, fruit flavors, and other ingredients. The formula for Dr Pepper is as follows: cola, sugar, caramel color, natural flavors, citric acid, sodium benzoate, and sodium citrate.