ABSTRACT
Imagine a scenario where you are searching for a restaurant during lunchtime. You are very hungry and œnd a restaurant you are not familiar with. When you enter, you œrst meet a waitress. She welcomes you and guides you to a table. You order a dish, and while you wait you look around the room. Then, you smell the aroma and are pleasantly surprised at the sight of the exquisite cuisine the server places on your table. The taste is beyond your expectations. Your impression of the restaurant escalates and makes you feel splendid.
