Instruction: Evaluate the relevance of each product title in the input to the given query, and then sort the products in descending order of relevance, placing the most relevant product at the top of the ranked list.

Input:
Query: razer white keyboard
Product list:
A: Razer Tartarus Pro Gaming Keypad: Analog-Optical Key Switches - 32 Programmable Keys - Customizable Chroma RGB Lighting - Programmable Macros - Variable Key Press Pressure Sensitivity - Mercury White
B: Razer BlackWidow X Chroma Mechanical Gaming Keyboard: Green Key Switches - Tactile & Clicky - Chroma RGB Lighting - Military-Grade Metal Construction - Mercury White
C: Redragon K550 Mechanical Gaming Keyboard, RGB LED Backlit with Brown Switches, Macro Recording, Wrist Rest, Volume Control, Full Size, Yama, USB Passthrough for Windows PC Gamer (White)
D: Razer Doubleshot PBT Keycap Upgrade Set for Mechanical & Optical Keyboards: Compatible with Standard 104/105 US and UK layouts - Mercury White
Answer: B,C,D,A