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: b brand face mask
Product list:
A: B. Boutique Durable and Well Made Adult Non-Medical Cotton Face Mask, Set of 3, White, Red and Blue Face Masks
B: 20 PCS Black Windproof Dustproof _Masks_Covers with Elastic Ear Loop Cover Full Face Anti-Dus,Breathable Reusable Washed
Answer: B,A