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: rv 4 camera split screen wireless
Product list:
A: eRapta Backup Camera 2.0 with Monitor for RV Truck Trailer Tractor 5th Wheel Split Screen Back Up Reversing Parking Backing Rear and Side Wired Camera 4 Channels ER0202
B: URVOLAX-Wireless Backup Camera-Digital 1080P FHD and 7" Monitor Kit-Rear View Camera for Trucks-RV,Trailer,Bus,Camper,Van170Wide View Angle,IP69K Waterproof,Guide Lines ON/Off,Strong Signal
Answer: A,B