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: phone case ring charm
Product list:
A: Cell Phone Ring Holder,360 Rotation Diamond Metal Finger Ring Grip for iPhone iPod iPad Samsung Galaxy and Other Smartphones (Silver)
B: Enfain Lightweight Bracelet Straps Hand Grip Lanyard Identifier Holder Attaches for USB Flash Drives (7-inch, 10 Pack Color Assorted)
Answer: A,B