What flavor corresponds with the pump labeled "GA"?

The flavor corresponding with the pump labeled "GA" is green apple. This labeling convention uses initials that often reflect the flavor profile or description of the syrup. In this case, "GA" clearly stands for green apple, which is a distinctive flavor that can be used in a variety of beverages, enhancing them with a fruity and tart note.

Understanding the labeling system is crucial for anyone preparing drinks, as it provides a shorthand for quickly identifying and utilizing specific flavorings in drink recipes. While the other options present flavors that could also be part of a beverage menu, they do not match the initials "GA" as directly or intuitively as green apple does.