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: ipad bluetooth keyboard light
Product list:
A: CHESONA iPad Pro 12.9 inch 2021 Case with Keyboard, Keyboard (for 12.9-inch iPad Pro - 5th Generation, 4th/3rd Generation) - Wireless Detachable - with Pencil Holder for 2021 iPad Pro 12.9, Rose Gold
B: Nulaxy KM13 Bluetooth Keyboard with Sliding Stand, iPad Keyboard Supports Android Windows, Compatible for Apple iPad iPhone Samsung Tablets Phones - Silver
Answer: B,A