Instruction: Analyze the query and each product title. Sort the products in descending order based on their relevance to the query. The most relevant product should be at the top of the list, and output the ranked list.

Input:
Query: music stand light battery powered
Product list:
A: Lumiens L9 - Music Stand Light Clip On - LED Musician Lamp for All Music Stands, Pianos, Orchestra Pits, Work Tables, Desks, and More - #1 Among Music Stand Lights - AA Battery Powered
B: 10 LED Eye-Cared Music Stand Light, 3 Brightness3 Color Book Light, Clip On Bed Reading Book Lamp at Night, USB and AAA Battery Operated, Perfect for Bookworms, Kids & Music/Piano Players.
Answer: B,A