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: ring for phone case purple
Product list:
A: lenoup Glitter Bling Bling Phone Ring Holder,Sparkle Phone Ring Artificial Diamond Stand,Rhinestone Cell Phone Finger Ring for Phones,Pad(Silver)
B: GVIEWIN for iPhone 11 Case, Clear Flower Design Soft & Flexible TPU Thin Shockproof Transparent Bumper Protective Floral Cover Case for iPhone 11 6.1 inch 2019 (Peony/Purple)
C: LeYi Compatible for iPhone 8 Case, iPhone 7 Case, iPhone 6s/ 6 Case with Tempered Glass Screen Protector [2 Pack], Military-Grade Protective Phone Case with Kickstand Ring for iPhone 6/6s/7/8, Purple
Answer: A,C,B