Instruction: Rank the products A, B, C, ... based on their relevance to the provided query, and produce a ranked list with the most relevant product positioned at the top of the list.

Input:
Query: round curtain rod rings
Product list:
A: Amazon Basics 1-Inch Curtain Rod with Round Finials - 1-Pack, 36 to 72 Inch, Black
B: Amazon Basics Curtain Rod Ceiling-Mount Bracket, Set of 2, Black
C: Set of 100 - 1.5-inch Metal Curtain Rings with Clips - Black (Also Known as Rings with Curtain Clips / Curtain Clip Rings / Drapery Rings / Curtain Rings with Clips/ Drapery Clip Rings)
Answer: C,A,B