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: 10w solar panel 12v without controller
Product list:
A: Topsolar 10 Watt 12 Volt Solar Panel Battery Charger, 10W 12V Portable Solar Trickle Battery Maintainer with Cigarette Lighter Plug & Alligator Clip for Car, Boat, Motorcycle, Tractor
B: 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
C: 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,C