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: A lightweight one with long battery life and quick processor with adequate storage. One that can be transported easily with at least a 13 inch screen and backlit keyboard.
Product list:
A: Panasonic Toughbook CF-19 MK4, Intel i5-U540 @1.20GHz, 10.4" XGA Touchscreen, 4GB, 128GB SSD, WiFi, Bluetooth, Windows 10 Professional (Renewed)
B: viozon Monitor/Laptop Mount, Single Gas Spring Arm Desk Stand/Holder for 17-32" Computer Monitor, Extra Laptop Tray Fits 12-17" Laptops/Notebook (1S-Pro)
Answer: A,B