That's Not Nacho Cheese

That's Not Nacho Cheese is a question from YOU DON'T KNOW JACK.
===Question===
Doritos® "nacho cheese" is actually a mixture of other cheeses. Which cheese is NOT a part of the nacho phenomenon?
===Choices===
1. parmesan
2. American
3. Romano 
4. cheddar
===Choice Quotes===
1. sound clip
2. "There's no American."
3. "Roma! Nope."
4. sound clip
===Answer Quote===
"And that's downright Un-American if you ask me."
Category:YOU DON’T KNOW JACK Questions
Category:Multiple-Choice Questions