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: computer bag 18 inch laptop
Product list:
A: 18.4 Inch Laptop Bag, Extra Large Briefcase for Men Women, Travel Business Laptop Shoulder Bags, Waterproof Expandable Computer Bags Carrying Case Fits 18.4 Inch Laptop, Notebook and Ultrabook
B: Amazon Basics 17.3 Inch Laptop and Tablet Case Shoulder Bag, Black
Answer: A,B