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: rocky thermal underwear for boys
Product list:
A: Rocky Thermal Underwear for Men (Thermal Long Johns Set) Shirt & Pants, Base Layer w/Leggings/Bottoms Ski/Extreme Cold (Black - Midweight Fleece/Medium)
B: Kids Heat Baselayer Set, Black, Small
Answer: B,A