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: white horse backpack
Product list:
A: School Backpacks Flower Horse Student Backpack Big For Boys Girls Elementary School Shoulder Bag Bookbag
B: Abshoo Polka Dot Canvas Backpacks For Girls School Bookbags Teen Backpacks With Lunch Bag (9G5 Black)
Answer: A,B