Fact 1: Sugar causes food to taste sweet.

Fact 2: For example, the tongue determines the taste of foods, deciding whether a thing is sweet or bitter.

Given the two facts above, answer the question "What determines the flavor of sweet foods like sugar?" with the following options: 
- Enzymes
 - ingredients
 - hormones
 - profile
 - sugar
 - tongue
 - dentist
 - Glucose


 

      tongue   