Instruction: Given a query and a list of products denoted as A, B, C, ... with their titles, rank the products according to their relevance to the query. Output only a ranked list in which the most relevant product is at the top of the list.

Input:
Query: goulds water technology itt xylem
Product list:
A: GOULDS CentriPro 1 HP 230V CONTROL BOX SUBMERSIBLE WATER WELL PUMP CB10412
B: EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating Technology
C: Amtrol WX-203 X-Trol Stand Well Water Tank, Blue
D: Sump Pump, 1/2 HP, 115VAC, Cord 15 ft. L
Answer: D,C,A,B