<Li> 1920s--1940s: "Drink a Bite to Eat at 10, 2, and 4 o'clock ." </Li> <Li> 1939: "When You Drink a Dr. Pepper You Drink a Bite to Eat ." </Li> <Li> 1930s--1940s: "Good For Life ." </Li> <Li> 1945: "Dr. Pepper has 23 flavors" </Li>

What is the dominant flavor in dr pepper