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: 1/4 screw ball head without screw
Product list:
A: Desktop C-clamp Light Stand, with 360 Rotatable Ball Head, 1/4" Screw, Adjustable Aluminum Holder for Ring Light Camera Video Shooting
B: UTEBIT Ball Head with 1/4" Hotshoe Camera Mount Adapter 360 Degree Rotatable Aluminum Tripod Head for DSLR Cameras HTC Vive Tripods Monopods Camcorder Light Stand, Max. Load 6.6lbs
Answer: B,A