Instruction: Given a query and a list of products denoted as A, B, C, ... with their titles, rank the products according to their relevance to the query. Output only a ranked list in which the most relevant product is at the top of the list.

Input:
Query: gps for bookbag
Product list:
A: Small Hidden Magnetic GPS Car Tracking Device with Software (1 Month Battery) - Vehicle GPS Tracker - Subscription Required
B: XTPower Xplorer Camouflage 38 | Solar Backpack with Removable 5 Watt Solar Panel | Military Print/Camouflage | 5V USB Output to charge Smartphones, Powerbanks, Tablets, GPS, and other USB devices
C: KidsEmbrace Batman 2-in-1 Child Safety Harness and Travel Buddy
Answer: B,A,C