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: brother tn850 toner
Product list:
A: Brother Genuine High-Yield Black Toner Cartridge Twin Pack TN850 2PK, Model: TN8502PK
B: Smart Print Supplies Compatible TN850 DR820 High Yield Toner Cartridge and Drum Unit Replacement for Brother HL-L6200 L5200, MFC-L6900 L5800, DCP-L5500 L5600 Printers (2 TN-850, 1 DR-820) - 3 Pack
C: LxTek Compatible Toner Cartridge Replacement for Brother TN850 TN-850 TN820 TN-820 (2 Black, High Yield)
D: OfficeWorld TN850 Compatible Toner Cartridge Replacement for Brother TN850 TN 850 TN820 (Black, 2 Packs), Compatible with Brother HL-L6200DW HL-L6200DWT HL-L5200DW MFC-L5900DW MFC-L5700DW MFC-L5800DW
Answer: A,C,D,B