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: black columbia fleece for toddler boy
Product list:
A: Columbia Boys' Toddler Glacial Fleece Banded Bottom Pant, Black, 2T
B: Columbia Boys' Big Watertight Jacket, Red Mountain, Medium
Answer: B,A