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: pool solar heater
Product list:
A: 100W Solar Flood Light Outdoor Dusk to Dawn with Remote Control 324 LEDs 5000 Lumen Lamp for Yard, Swimming Pool, Garage, Warehouse, Playground, Hotel, Farm, Arena
B: KOLERFLO 3/4 Inch Hot Water Circulating Pump 3-Speed Circulation Water Pump for Solar Heater System(RS15-6 Red)
Answer: B,A