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: msr x6 bluetooth
Product list:
A: Bluetooth X6BT Card Reader Writer Encoder Card Writer Device
B: 2015 BMW X6 M vs. 2016 Mercedes-AMG GLE63 S Coupe
C: MSR X6(BT) Bluetooth Magnetic Credit Card Reader Writer Encoder Stripe MSRX6BT MSR206
Answer: C,A,B