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: well chair for seniors used
Product list:
A: NOVA Medical Products Shower & Bath Chair with Back & Arms & Hygienic Design, White, 1 Count
B: ComfiLife Gel Enhanced Seat Cushion - Non-Slip Orthopedic Gel & Memory Foam Coccyx Cushion for Tailbone Pain - Office Chair Car Seat Cushion - Sciatica & Back Pain Relief
C: Care Apparel Extra Large Easy Rise Chair Cushion - 5" Thick Foam Seat Booster with Removable, Washable Poly-Shearling Cover - 15 1/2" x 18"
Answer: B,A,C