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: christmas balls big
Product list:
A: Vickerman 6" Red Shiny Ball Ornament, 4 per Bag
B: Christmas Ball Pendant, Decorative Shatterproof Christmas Tree Pendants Hanging 40mm Christmas Baubles Balls Ornaments Set Pack of 24 pcs (Green)
Answer: A,B