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: chicco playard mattress
Product list:
A: NapYou Amazon Exclusive Pack n Play Mattress, Convenient Fold with Bonus Easy Handle Carry Bag
B: Fitted Foldable Memory Foam Pack n Play Mattress Pad Portable Playard Mattresses 38X26x3 with Washable Cover & Storage Bag
Answer: B,A