Instruction: Evaluate each product title in the given list, assess its relevance to the given query, and then arrange the products in descending order of relevance, with the most relevant product at the top of the ranked list.

Input:
Query: rocky thermal underwear for boys
Product list:
A: Hanes Boy's X-Temp Thermal Set
B: Kids Heat Baselayer Set, Black, Small
Answer: A,B