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: 15gal water container
Product list:
A: Hudson Exchange 15 Gallon Tight Head Drum with 2" & 3/4" Fittings, UN Rated, Food Grade BPA Free HDPE, Natural
B: ITRAZ Collapsible Water Container Water Storage Carrier Jug BPA-Free with Spigot , Portable Water Canteen for Camping RV Outdoors and Emergency
Answer: A,B