Instruction: Evaluate the relevance of each product title in the input to the given query, and then sort the products in descending order of relevance, placing the most relevant product at the top of the ranked list.

Input:
Query: fox chest guard
Product list:
A: Fox Racing Mens RACEFRAME Impact, CE,Black,L/XL
B: Fox Racing Mens Titan Race Motocross Elbow Guard,Black,S/M
C: Leatt Black Adult Chest Protector
Answer: A,C,B