What is the main ingredient in "Frozen Lemonade"?

The main ingredient in "Frozen Lemonade" is indeed lemonade. This beverage is typically made by blending lemonade with ice, creating a refreshing frozen drink that highlights the tart and sweet flavors of lemons. Lemonade serves as the base, providing the signature citrus flavor that characterizes the drink.

While coffee, chocolate, and tea are popular beverages, they do not play a role in the composition of frozen lemonade. Each of those options represents different flavor profiles and ingredients used in various drinks but is not relevant to frozen lemonade. Thus, the emphasis on lemonade in the correct answer showcases its central role in defining the beverage and highlights what makes frozen lemonade a popular and refreshing choice.