Instruction: Given a query and a list of products denoted as A, B, C, ... with their titles, rank the products according to their relevance to the query. Output only a ranked list in which the most relevant product is at the top of the list.

Input:
Query: air filters 18 x 25
Product list:
A: Nordic Pure 18x25x2 MERV 12 Pleated AC Furnace Air Filters 3 Pack
B: Filtrete 18x24x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 17.81 x 23.81 x 0.81)
Answer: A,B