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: propane fireplace vent free
Product list:
A: Hearth Products Controls Maxitrol Flame Modulating Safety Pilot Kit with Remote Control (MVRC255), Natural Gas
B: Duluth Forge Dual Fuel Ventless Insert-26,000 BTU, T-Stat Control gas fireplace, Black
C: B-HOTTE Gas Fireplace Logs,4/5pcs Ceramic Wood Logs for All Types of Indoor, Gas Inserts, Ventless & Vent Free, Ethanol, Electric, Propane or Outdoor Fireplaces & Fire Pits, Burning Accessories (4PCS)
Answer: B,C,A