Instruction: Rank the products A, B, C, ... based on their relevance to the provided query, and produce a ranked list with the most relevant product positioned at the top of the list.

Input:
Query: wall back inverter
Product list:
A: AC to DC Converter 2A 24W Car Cigarette Lighter Socket 110-240V to 12V AC/DC Power Adapter
B: SereneLife Portable Generator, 150Wh Power Station, Quiet Gas Free Power Inverter, CPAP Battery Pack, Charged by Solar Panel/Wall Outlet/Car with 110V AC Outlet,3 DC 12V, USB Port
Answer: B,A