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: puma boxers black
Product list:
A: PUMA Cotton Stretch Training Boxer Briefs - 3 Pack (1911504) S/Red/Grey/Black
B: PUMA Men's 3-Pack Boxer Brief, Black, Large
Answer: B,A