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: used chocolate fountain
Product list:
A: Nostalgia 3-Tier Party Fountain, Holds 1.5 Gallons, LED Lighted Base, Includes 8 Reusable Cups, 1.5 Gallon, Clear
B: VEVOR 100CM/39Inch Commercial Chocolate Fountain Machine for Weddings Parties Restaurants,32-230F, 7 Tiers, Silver
C: Wilton Chocolate Pro Melting Chocolate Candy Wafers for Chocolate Fountain, 2 lbs (Pack of 2)
D: VEVOR Chocolate Fountain Chocolate Fountain Machine Commercial Chocolate Fountain Stainless Steel Chocolate Fountain Machine for Parties
Answer: B,D,C,A