Question:  Grease trucks on the College Avenue campus of Rutgers University are known for serving a sandwhich with no standardized what?
Sentence (from "Grease trucks"): They are known for serving, among other things, "Fat Sandwiches," a sub roll containing a combination of ingredients such as burgers, cheese, chicken fingers, french fries, falafel, and mozzarella sticks.
Relevant evidence: Yes