Instruction: Given a query and a list of products denoted as A, B, C, ... with their titles, rank the products according to their relevance to the query. Output only a ranked list in which the most relevant product is at the top of the list.

Input:
Query: xs black fitted hat
Product list:
A: Flexfit Men's Cool & Dry 3D Hexagon Jersey, Black, Small/Medium
B: Flexfit Men's Wool Blend Hat, Black, S/M
C: DC mens Star Flexfit Hat Baseball Cap, Black, Large-X-Large US
Answer: A,B,C