The class had four boys, Art, Bill, Chuck, and Ed, and one girl, Debbie.
The teacher received the following five pairs of statements, each pair being made by a different student:
- Bill did better than Ed;
Chuck did better than Bill. - Debbie did better than Chuck;
Art did better than Debbie. - Ed did better than Art;
Chuck did better than Ed. - Bill did better than Ed;
Debbie did better than Bill. - Chuck did better than Bill;
Art did better than Chuck.
Rank the students from highest to lowest grade. There were no ties.