Instruction: Rank the products A, B, C, ... based on their relevance to the provided query, and produce a ranked list with the most relevant product positioned at the top of the list.

Input:
Query: rc drone without camera
Product list:
A: DJI Mavic Air 2 Fly More Combo - Drone Quadcopter UAV with 48MP Camera 4K Video 8K Hyperlapse 1/2" CMOS Sensor 3-Axis Gimbal 34min Flight Time ActiveTrack 3.0 Ocusync 2.0, Gray
B: 4DF4 Drone for Adults with Camera,4K HD 2-Axis gimbal Anti-shake FPV Live Video,Brushless Motor GPS RC Quadcopter for Beginners, Auto Return, Follow Me,Waypoint Fly,Headless Mode, Carrying Case
C: Cheerwing Syma X5SW-V3 WiFi FPV Drone 2.4Ghz 4CH 6-Axis Gyro RC Quadcopter Drone with Camera, White
D: DROCON Mini Drone for Kids, Scouter Foldable Beginner drone with Altitude Hold/3D Flips/Self-Rotating/Headless Mode/One-Key Take-Off & Landing/One-Key Return/Speed Adjustment/2 Charge Ways
Answer: D,C,A,B