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: stl blues hat
Product list:
A: Mary's Monograms Embroidered Navy Blue Pigment Dyed STL Airport Code Baseball Hat
B: Straight Outta Saint Louis T-Shirt MS State Gift Shirt
C: STL Hat  St. Louis Trucker Hat Baseball Cap Snapback Golf Hat (Black)
Answer: A,C,B