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: king coil air mattress
Product list:
A: HOUSE DAY Queen Air Mattress with Built- Raised Electric Airbed with Built in Pump Fast Inflation Carry Bag Highest End Blow Up Bed Inflatable Air Mattresses for Home Travel Queen Matress 80"x60"x18"
B: Bedsure Queen Air Mattress with Built in Pump Raised - 18" Inflatable Mattress, Double Air Beds for Camping and Indoor Use
Answer: B,A