Instruction: Evaluate each product title in the given list, assess its relevance to the given query, and then arrange the products in descending order of relevance, with the most relevant product at the top of the ranked list.

Input:
Query: 10 channel security camera system without hdd
Product list:
A: ZOSI H.265+ Full 1080p Home Security Camera System,5MP Lite CCTV DVR Recorder 4 Channel and 4 x 2MP 1080P Weatherproof Surveillance Dome Camera Outdoor Indoor with 80ft Night Vision (No Hard Drive)
B: [5.0MP Two Way Audio] Wireless Security Camera System, 8 Channel Surveillance NVR Recorder and 4Pcs 5.0MP Home Outdoor Motion Activated IP Bullet Surveillance Cameras With Night Vision, 1TB Hard Drive
Answer: A,B