Question

Jeff began his speech by saying: imagine that you are on a deserted island—palm trees sway in the breeze, the warm sun is on your face, and the smell of tropical flowers is in the air. suddenly, the sound of distant drums breaks your euphoria. what do you do—panic? what would you do if you found yourself in such a situation? what kind of supporting material did jeff use in his introduction?

Answer 1

The answer to this question is hypothetical example
hypothetical example is a type of example that derived from fiction (never actually happen in real life)
In public speaking, hypothetical examples usually used to make the content much more entertaining for the audiences.