What would be the result of omitting the coffee in Spanish Coffee?

Omitting the coffee in a Spanish Coffee would indeed result in the loss of its signature flavor. Spanish Coffee is a popular cocktail traditionally made with coffee, which provides the foundational taste that characterizes the drink. The combination of coffee with spices and alcohol, typically rum and coffee liqueur, is what gives Spanish Coffee its unique profile. Without the coffee, the drink would no longer have that rich, robust flavor and would essentially become a completely different beverage, lacking the warmth and complexity that coffee adds.

The other options suggest either changes in sweetness, temperature, or alcoholic content, which are not accurate reflections of what happens when coffee is removed. Hence, the distinctive flavor component of the drink is indeed its defining characteristic, making this the correct choice.