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: king mattress protector
Product list:
A: Waterproof Mattress Protector King-size , LANIAKEA 100% Premium Organic Cotton, Breathable&Noiseless Mattress Pad Cover, Fitted 14"-18" Deep, Hypoallergenic/ Dust Proof /Anti-Mite ,Vinyl Free 76x80
B: KARRISM 100% Waterproof Mattress Protector, Breathable & Noiseless Mattress Pad Cover, 3D Air Fabric,Vinyl Free (King, White-2)
Answer: B,A