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: butane heater
Product list:
A: APG Portable Space Gas Heater Outdoor Warmer Propane Butane Tent Heater Camping Backpacking
B: GasOne 50140 4 FT Propane Hose 1 lb Converter-16.4 oz to 20 lb
Answer: A,B