What defines a phosphate compared to a soda?

A phosphate is defined by its inclusion of two dips of ice cream, which differentiates it from a soda. This combination creates a richer and creamier texture and flavor profile that is characteristic of phosphates. Typically, phosphates are made by mixing flavored syrup, carbonated water, and ice cream, which results in a dessert-like drink. This is distinct from a regular soda, which generally consists solely of carbonated water and flavored syrup without ice cream. The other options relate to presentation or flavor aspects that may not universally apply to all phosphates. Thus, the defining characteristic of having two dips of ice cream stands out as the key component that makes a phosphate uniquely different from a soda.