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: ipad air bluetooth keyboard
Product list:
A: iPad Keyboard Case 9.7 for New iPad 2018 (6th Gen) - iPad Pro 2017 (5th Gen) - iPad Air 2/1 - COO Detachable Wireless Bluetooth Keyboard - Magnetic Auto Sleep/Wake (Galaxy with White Keyboard)
B: YEKBEE iPad Keyboard Case for New 2018 iPad, 2017 iPad, iPad Pro 9.7, iPad Air 1 and 2 - BT Backlit Detachable Quiet Keyboard - Slim Leather Folio Cover - 7 Color Backlight - Apple Tablet
Answer: A,B