Instruction: Rank the products A, B, C, ... based on their relevance to the provided query, and produce a ranked list with the most relevant product positioned at the top of the list.

Input:
Query: i love toy trains
Product list:
A: Explore A Swather Tractor with Blippi - Tractors for Toddlers
B: The Best of I Love Toy Trains: Parts 1-6
Answer: B,A