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: led light with battery pack
Product list:
A: XYOP Led Strip Lights Battery Powered RGB LED Lights Strip Battery Operated Led Battery Lights with 3 Keys Controller Battery Led Strip Rope Lights 2M 6.56ft
B: RGB Led Strip Lights Battery Powered 4-FQ 2PCS 6.56ft Led Lights Strip Battery Operated Remote Control Color Changing Strip Lights Kit SMD5050 120 LED Waterproof Strip Lights DIY TV Bedroom 17 Keys
Answer: B,A