Instruction: Rank the products A, B, C, ... based on their relevance to the provided query, and produce a ranked list with the most relevant product positioned at the top of the list.

Input:
Query: weber summit 600 grill light
Product list:
A: Weber 7108 Grill Cover with Storage Bag for Summit 400-Series Gas Grills , Black
B: Weber 7204 iGrill 3 Grill Thermometer
C: Weber 70867 2-3/8".Diameter Summit 400/600 Years 2007-2011 2pk Lighted Knob
Answer: C,B,A