Task: Query_Product_Rank
Instruction: Evaluate each product title in the given list, assess its relevance to the given query, and then arrange the products in descending order of relevance, with the most relevant product at the top of the ranked list.

Input:
Query: bag heat sealer
Product list:
A: 100 Pcs 5x7 (O) Clear Flat Cello/Cellophane Treat Bags Good for Bakery, Cookies, Candies
B: Pack It Chic - 4 X 6 (1000 Pack) Clear Resealable Polypropylene Bags - Fits 4X6 Prints, Photos, A1 Cards, Envelopes - Self Seal
Answer: A,B