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: pro stretcher foot rocker
Product list:
A: WL Professional Steel Calf Stretcher, Adjustable Ankle Incline Board and Stretch Board, Slant Board with Full Non-Slip Surface, 16" x 14", 4 Positions (500 LB Capacity)
B: ProHeal Foot Rocker Calf Stretcher with Spiked Ball Massager - for Plantar Fasciitis, Achilles Tendonitis - Calf, Foot, Heel, and Ankle Stretcher - Lower Leg Pain Relief - Gray with Green Ball
Answer: B,A