Instruction: Given a query and a list of products denoted as A, B, C, ... with their titles, rank the products according to their relevance to the query. Output only a ranked list in which the most relevant product is at the top of the list.

Input:
Query: wireless headset for office binaural
Product list:
A: Plantronics CS520 Wireless Headset System Bundle
B: Plantronics - Savi 8220 Office Wireless DECT Headset (Poly) - Dual Ear (Stereo) - Compatible to connect to PC/Mac or to Cell Phone via Bluetooth - Works with Teams (Certified), Zoom
Answer: B,A