What is the main attribute of 'Caramel Apple Juice'?

The main attribute of 'Caramel Apple Juice' being classified as a sweet beverage is accurate because this drink is formulated to have a rich, sweet flavor profile. The combination of caramel and apple inherently brings a sugary, dessert-like quality that appeals to those looking for a sweet treat. Sweetness is a critical characteristic that caters to customer preferences, especially in a café environment where beverages often aim to satisfy a desire for indulgence.

The other attributes, while they might describe certain aspects of drink offerings at Starbucks, do not specifically define 'Caramel Apple Juice'. For instance, the drink can be served both hot and cold depending on customer preference, suggesting it doesn’t fall uniquely into either category. Additionally, it is non-alcoholic, aligning with Starbucks’ focus on family-friendly beverage options. The classification as a sweet beverage distinctly captures the essence of what 'Caramel Apple Juice' is meant to represent, making it the most accurate descriptor among the choices given.