What is the most popular beverage at a restaurant?

It's impossible to say definitively what the most popular beverage at a restaurant is, as it depends on several factors:

* Type of Restaurant: A fine dining establishment might have a higher demand for wine, while a fast food restaurant would likely see more soda sales.

* Location: A restaurant in a hot climate might sell more water, while a restaurant in a colder region might see higher demand for hot beverages.

* Time of Day: Coffee is popular in the morning, while beer or cocktails might be more common in the evening.

* Customer Preferences: Some people prefer water, while others love soda or juice.

However, some common contenders for the most popular restaurant beverage include:

* Water: It's affordable, readily available, and a healthy choice.

* Soda: Popular for its sweetness and fizz, especially among younger demographics.

* Coffee: A classic choice, especially in the morning or for a pick-me-up.

* Tea: Available in many varieties, it offers a refreshing and flavorful alternative to coffee.

* Beer: A popular choice for socializing and enjoyment, particularly at pubs and restaurants with a casual atmosphere.

Ultimately, the most popular beverage at a specific restaurant will vary greatly depending on the factors mentioned above.