Instruction: Rank the products A, B, C, ... based on their relevance to the provided query, and produce a ranked list with the most relevant product positioned at the top of the list.

Input:
Query: youth airsoft vest
Product list:
A: GwendolynC Airsoft Tactical Vest
B: Invenko Tactical Molle Airsoft Vest Paintball Combat Soft Vest Desert Python.
Answer: B,A