Instruction: Evaluate each product title in the given list, assess its relevance to the given query, and then arrange the products in descending order of relevance, with the most relevant product at the top of the ranked list.

Input:
Query: round running boards
Product list:
A: 6 Inches Side Step Nerf Bar Running Boards Compatible with Chevy Silverado GMC Sierra Extended Cab 07-19, Stainless Steel, Polished Chrome
B: Refineon 3" Round Chrome S/S Running Boards for 2019-2021 ram 1500 Crew Cab New Body w/ 4 Full Doors (NO 2019 2020 Classic) Nerf Bars Side Steps Side Bars
Answer: B,A