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: my heat personal heater
Product list:
A: Lasko Heating Space Heater, Compact, White
B: Ceramic Small Space Heater 500W Personal Mini Portable Electric Heater with Thermostat Tip-over and Over-heating Protection Quiet for Office Desk Home Indoor Use ETL Approved (Black)
Answer: A,B