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: 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 Chocolate Fountain Chocolate Fountain Machine Commercial Chocolate Fountain Stainless Steel Chocolate Fountain Machine for Parties
Answer: B,A