Instruction: Analyze the query and each product title. Sort the products in descending order based on their relevance to the query. The most relevant product should be at the top of the list, and output the ranked list.

Input:
Query: iphone 8 otterbox case black
Product list:
A: OTTERBOX DEFENDER iPhone 6/6s Case - Frustration FREe Packaging - BLACK
B: iPhone 7 / iPhone 8 Cover | 2-in-1 Screen Protector & Holster Case | Full Body Military Grade Edge-to-Edge Protection with carrying belt clip | Drop Proof Shockproof Dustproof | Black / Black
Answer: B,A