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: livestock solar pumps water
Product list:
A: 20W Solar Water Pump KIT: DC Brushless Submersible Water Pump 410GpH with 18V 20W Solar Panel for Solar Fountain, Fish Pond, and Aquarium (No Backup Battery)
B: ECO-WORTHY 3.2GPM Solar Well Pump Kit for Watering- 1pc Submersible 12V Solar Water Pump + 2pcs 100W Mono Solar Panel + 20A Charge Controller for well, off-grid living, Irrigation
Answer: B,A