Instruction: Rank the products A, B, C, ... based on their relevance to the provided query, and produce a ranked list with the most relevant product positioned at the top of the list.

Input:
Query: ventless gas fireplace
Product list:
A: Sure Heat SH18DBNG Sure Heat Seasoned Hickory Dual Burner Vented Gas Log Set, 18-Inch, Natural Gas
B: Barton Ceramic Wood Gas Fireplace Log Set for Ventless, Gas, Propane, Gas Insert, Vent-Free, Gel, Ethanol, Electric, Indoor, Outdoor Fireplaces and Fire Pits (9 PCS)
Answer: A,B