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: hexagon fish tank
Product list:
A: Aqueon00817818 NeoGlow LED Hexagon Orange Aquarium Kit, 8 gallon/15 L x 13.25" W x 15" H, Black
B: Marineland Contour 3 aquarium Kit 3 Gallons, Rounded Glass Corners, Includes LED Lighting
Answer: A,B