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: beosound a1 2nd gen
Product list:
A: Travel Bluetooth Speaker Carry Casefor B&O BeoPlay A1, Full Protection Bluetooth Speaker Cover Bag for Outdoor Activities
B: Bang & Olufsen Beosound Balance Wireless Multiroom Speaker, Natural Oak
C: Bang & Olufsen Beosound A1 2nd Gen Portable Wireless Bluetooth Speaker with Voice Assist & Alexa Integration, 3 Microphones for Great Call Quality, 18-Hours Playtime, IP 67 Dustproof and Waterproof
Answer: C,B,A