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: green gas blowback airsoft pistols
Product list:
A: ASG CZ P-09 Gas Powered Airsoft Pistol with Outer Barrel Threading
B: Sig Sauer Airsoft Proforce M17, 6mm, 5.5", 21rd, Green Gas Power Source
Answer: A,B