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: iphone 10 case armor
Product list:
A: iPhone XR Case, Jiunai Heavy Duty Drop Protection Dual Layer Shockproof Bumper iPhone 10R Case Rugged Cover Cases ONLY Compatible with iPhone 10 R XR 2018 6.1'' Black
B: Spigen Rugged Armor Designed for iPhone Xs Case (2018) / Designed for iPhone X Case (2017) - Matte Black
Answer: B,A