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: renal food canine
Product list:
A: Renal Diet for Dogs: A Nutritional Guide for Pets with Canine Kidney Disease
B: Royal Canin Aging 12+ Thin Slices in Gravy Canned Cat Food, 3 oz cans
Answer: A,B