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: cheap cool things
Product list:
A: TECBOSS Bluetooth Karaoke Microphone, Wireless Portable Handheld Karaoke Speaker Machine with LED Lights, Compatible with PC/iPhone/Android, Toys for Girls Boys Adults
B: Classic Brands Cool Gel Chill Memory Foam 14-Inch Mattress with 2 BONUS Pillows |CertiPUR-US Certified |Bed-in-a-Box, Queen
Answer: A,B