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: plantronics hw520
Product list:
A: Cisco Certified Plantronics EncorePro 520 Headset Bundle for Cisco 69xx, 78xx, 79xx, 89xx, 99xx Series
B: Plantronics 83195-01 Ear Cushion,Black
Answer: A,B