I would suggest :
Variety
1. Awful: two crackers on a plate.
2. Poor: two different kind of crackers on a plate.
3. Mixed: average variety for a lounge.
4. Good: very diverse food.
5. Great: huge variety of snacks, fruits, meals, etc.
Quality
1. Awful: am I eating a piece of a Y seat ?
2. Poor: fill the stomach but not tasty
3. Decent: average quality
4. Good: good food
5. Great: great products ! and don't ask me about the wines and liquors !