Instruction: Analyze the query and each product title. Sort the products in descending order based on their relevance to the query. The most relevant product should be at the top of the list, and output the ranked list.

Input:
Query: filtrete room air purifiers
Product list:
A: Filtrete Air Cleaning Filter, 9 In. x 15 In., For Use with Ultra Quiet model FAPO2
B: Filtrete Air Purifier, Large Room with True HEPA Filter, Captures 99.97% of Airborne particles such as Smoke, Dust, Pollen, Bacteria, Virus for 250 Sq. Ft. Office, Bedroom, Kitchen, FAP-C03BA-G2
Answer: B,A