Instruction: Evaluate the relevance of each product title in the input to the given query, and then sort the products in descending order of relevance, placing the most relevant product at the top of the ranked list.

Input:
Query: boys champion zip up
Product list:
A: Champion Boys' Double Dry Fleece Full Zip Hooded Sweatshirt, Black, X Large
B: Champion Youth Go-To Full Zip Jacket (Dark Green, Youth Small)
C: C9 Champion Women's Full Zip Cardio Jacket, Ebony, Medium
Answer: A,B,C