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: 10w solar panel 12v without controller
Product list:
A: Topsolar Solar Panel Kit 20W 12V Monocrystalline with 10A Solar Charge Controller + Extension Cable with Battery Clips O-Ring Terminal for RV Marine Boat Off Grid System
B: SUNAPEX 10W 12V Portable Solar Battery Charger & Maintainer - Solar Panel-Built - in Intelligent Charge Controller-Solar Powered Charger for Automobile Car RV, etc
Answer: A,B